she is 40,if she is a day.中的if she is a day怎么理解啊 有没有什么俚语在里面呢
问题描述：
she is 40,if she is a day.中的if she is a day怎么理解啊 有没有什么俚语在里面呢
答
这里的if she is a day等于if a day表示（年龄）至少
句子“她一定至少40岁了.”