请在提交之前仔细检查，提交后无法更改。

Qǐng zài tíjiāo zhīqián zǐxì jiǎnchá, tíjiāo hòu wúfǎ gēnggǎi.

Please check carefully before submitting; changes cannot be made after submission.

系统升级后，密码需要重新更改。

Xìtǒng shēngjí hòu, mìmǎ xūyào chóngxīn gēnggǎi.

After the system upgrade, the password needs to be changed again.

这份文件有几个错误，请尽快更改。

Zhè fèn wénjiàn yǒu jǐ gè cuòwù, qǐng jǐnkuài gēnggǎi.

This document has several errors; please correct them as soon as possible.