shú xī yǐ hòu kě yǐ jiǎn huà，dàn zhèng shì gōu tōng lǐ，qīng chǔ de shǔ míng néng jiǎn shǎo hěn duō lái huí què rèn

熟悉以后可以简化，但正式沟通里，清楚的署名能减少很多来回确认。

After getting familiar, you can simplify, but in formal communication, a clear signature can reduce a lot of back-and-forth confirmation.