xiǎozǔ zuòyè tíjiāo hòu, fā yīzhāng tíjiāo chénggōng jiétú dào qún lǐ hěn yǒuyòng

小组作业提交后，发一张提交成功截图到群里很有用。

After submitting the group assignment, it is very useful to send a screenshot of the successful submission to the group.