The structure 为…起见
The structure 为…起见 
is used to indicate the purpose of an action.
For example: "for security reasons", "for the sake of something".
is used to indicate the purpose of an action.
For example: "for security reasons", "for the sake of something".Scheme
为
verb/adjective
起见
subject
predicate
Pay attention
The structure is placed at the beginning of a sentence, before a subject and a predicate.
Examples
为安全起见，这份文件的一些句子被涂掉了
Some sentences in this document have been edited for security reasons
wèi ānquán qǐjiàn, zhè fèn wénjiàn de yìxiē jùzi bèi túdiào le
为方便起见，这两个组在本报告中被视为一组
For simplicity, these two groups are considered as one group in this report
wèi fāngbiàn qǐjiàn, zhè liǎng ge zǔ zài běn bàogào zhōng bèi shìwéi yì zǔ
我想我们已经讨论过了这个问题，但为保险起见，我再问你一次
I think we've already discussed this issue, but just in case I'll ask you again
wǒ xiǎng wǒmen yǐjīng tǎolùnguò le zhè ge wèntí, dàn wèi bǎoxiǎn qǐjiàn, wǒ zài wèn nǐ yí cì
In this structure, we can also use 为了 instead of 为.
instead of 为.Examples
为了谨慎起见，他被安排整晚留院观察
He was kept in hospital overnight as a precautionary measure
wèile jǐnshèn qǐjiàn, tā bèi ānpái zhěngwǎn liúyuàn guānchá
为了公平起见，必须指出高跟鞋也有好的一面
It is fair to say that high heels have advantages
wèile gōngpíng qǐjiàn, bìxū zhǐchū gāogēnxié yě yǒu hǎo de yí miàn
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