Due to – 由於/由于 yóuyú

Grammar Point:
You can simply translate “由於于 yóuyú” into “due to” in English. It is often used at the beginning of a sentence to introduce the cause or reason for something that has happened.

Structure

由於于 yóuyú + cause，effect

Unlike the 因為为 yīnwèi, which indicates a direct cause-and-effect relationship between two things, the 由於于 yóuyú structure is usually used to express a more distant or indirect cause-and-effect relationship or formal situations.

由於yóuyú環境háijìng污染wūrǎn， 現在xiànzài各國geguó的de氣候qìhòu都dōu面臨miànlín大dà問題wèntí由于yóuyú环境háijìng污染wūrǎn， 现在xiànzài各国geguó的de气候qìhòu都dōu面临miànlín大dà问题wèntí
Due to environmental pollution, the climate of all countries is now facing a major problem.

由於yóuyú少子化shǎozǐhuà問題wèntí越來越yuèláiyuè嚴重yánzhòng， 政府zhèngfǔ必須bìxū想xiǎng辦法bànfǎ鼓勵gǔlì年輕人niánqīngrén結婚jiéhūn由于yóuyú少子化shǎozǐhuà问题wèntí越来越yuèláiyuè严重yánzhòng， 政府zhèngfǔ必须bìxū想xiǎng办法bànfǎ鼓励gǔlì年轻人niánqīngrén结婚jiéhūn
Due to the growing problem of childlessness, the government must find ways to encourage young people to get married.

由於yóuyú你nǐ這zhè一年yìnián表現biǎoxiàn良好liánghǎo， 公司gōngsī決定juédìng幫bāng你nǐ調整tiáozhěng薪水xīnshuǐ由于yóuyú你nǐ这zhè一年yìnián表现biǎoxiàn良好liánghǎo， 公司gōngsī决定juédìng帮bāng你nǐ调动tiáodòng薪资xīnzī
Due to your good performance this year, the company has decided to adjust your salary.

由於yóuyú你nǐ沒有méiyǒu工作gōngzuò簽證qiānzhèng， 我們wǒmen真的zhēnde沒méi辦法bànfǎ錄取lùqǔ你nǐ由于yóuyú你nǐ没有méiyǒu工作gōngzuò签证qiānzhèng， 我们wǒmen真的zhēnde没méi办法bànfǎ录取lùqǔ你nǐ
Since you don’t have a work visa, we really can’t accept you.

由於yóuyú各種gezhǒng原因yuányìn， 大家dàjiā都dōu沒méi接受jiēshòu他的tāde想法xiǎngfǎ由于yóuyú各种gezhǒng原因yuányìn， 大家dàjiā都dōu没méi接受jiēshòu他的tāde想法xiǎngfǎ
For various reasons, people did not accept his idea.

由於yóuyú一胎化yìtāihuà政策zhèngcè， 造成zàochéng了le中國Zhōngguó男女nánnǚ比例bǐlì失去shīqù平衡pínghéng由于yóuyú一胎化yìtāihuà政策zhèngcè， 造成zàochéng了le中国Zhōngguó男女nánnǚ比例bǐlì失去shīqù平衡pínghéng
Due to the one-child policy, the ratio of men to women in China has lost its balance.

FYI
Ah, the one-child policy in China sure had some interesting consequences! With the preference for male children, many families opted to selectively abort female fetuses, resulting in a gender imbalance. Thanks to the “boy band” situation caused by the one-child policy, finding a suitable marriage partner has become incredibly challenging for men in China. But this situation has actually benefited girls greatly. 😏

因為为 yīnwèi vs 由於于 yóuyú

因為为 is generally more commonly used than 由於于 and it is often used to express a direct cause-and-effect relationship between two things.

我wǒ遲到chídào了le， 因為yīnwèi交通jiāotōng堵塞dǔsāi了le我wǒ迟到chídào了le， 因为yīnwèi交通jiāotōng堵塞dǔsāi了le
I was late because of the traffic jam.

由於于 is often used to express a more formal or objective cause-and-effect relationship between two things. It can also be used to express a reason that is more distant or indirect.

由於yóuyú天氣tiānqì不好bùhǎo， 我們wǒmen取消qǔxiāo了le野餐yěcān計劃jìhuà由于yóuyú天气tiānqì不好bùhǎo， 我们wǒmen取消qǔxiāo了le野餐yěcān计划jìhuá
We canceled the picnic plan due to bad weather.

In some cases, 由於于 can also be used to indicate the source or origin of something.

這zhè本běn書shū由於yóuyú出版社chūbǎnshè的de錯誤cuòwù， 印刷yìnshuā有yǒu誤wù这zhè本běn书shū由于yóuyú出版社chūbǎnshè的de错误cuòwù， 印刷yìnshuā有yǒu误wù
This book has printing errors due to the publisher’s mistake.

• 因為为 yīnwèi……所以 suǒy…… (HSK 2)