Be good in 跟Be good at 意思一样吗?

问题描述:

Be good in 跟Be good at 意思一样吗?

用法都差部多,可以接名词和ING,但是意思有点区别
Must be good in both oral &written communications.
较熟悉的用英语进行口头和书面交流.
You must be good at learning at first.
你必须首先擅长学习.