what if it isn't something she has seen.what if 是什么意思?

what if it isn't something she has seen.what if 是什么意思?
what if it isn't something she has seen.
what if 是什么意思?

what if it isn't something she has seen.what if 是什么意思?
如果,万一
如果这不是她所看见的,怎么办?

what if
要是...该怎么办?

如果...怎麽办？

要是。。。。。。怎么办？假设用的。
万一。。。。。。怎么办？

如果