你可以反问你老师那什么时候用IF 表示是否呢,不如干脆废掉?
因为这里用Wether cannot be wrong,那就用它不去深究了.
你可以反问你老师那什么时候用IF 表示是否呢,不如干脆废掉?
因为这里用Wether cannot be wrong,那就用它不去深究了.
•
good question。 我下次一定再确定一下。
-jennea-
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08/13/2011 postreply
13:59:54
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