not really inter-exchange as subtle meaning.

here, smile means admire what you said. Laugh could be the opposite.

所有跟帖： 

• 原来是这样的区别啊！天呐，到目前为止，我出了多少丑！还是学习好，差一点一辈子出丑。看来小学生来学并不晚，什么时候都不晚。 -古树羽音- ♀ (0 bytes) () 09/17/2023 postreply 21:44:33

• choice between laughing and smiling in different situations -TJKCB- ♀ (34140 bytes) () 09/18/2023 postreply 12:47:05

• to guide the choice between laughing and smiling -TJKCB- ♀ (52834 bytes) () 09/18/2023 postreply 12:52:16

• 很学习，慢慢消化，谢谢！ -古树羽音- ♀ (0 bytes) () 09/19/2023 postreply 16:21:19