英[?!n]  美[?!n]

prep. ?) ...

adv.

n. ??? ?? ??; <??> (??? ?? ??) ???? ?

n.

mysql IN ??? ???

??: WHERE ?? ?? ?? ?????.

??: ??SELECT ??_?? FROM ???_?? WHERE ??_?? IN (?1,?2,...)

mysql IN ??? ?

????