yào ràng biérén yīyǎn kànchū shǎole shénme sǎ zài nǎlǐ cuò zài nǎlǐ

要让别人一眼看出少了什么、洒在哪里、错在哪里。

You need to let others see at a glance what is missing, where it was spilled, and where the mistake is.