by then汉语翻译：
到那时例句：

The store will have closed by then.到那时商店早关门了。

He will have graduate by then.到那时他就已经毕业了。

She'll have retired by then.她到那时就要退休了。

Be married next Christmas, for you will have got your master's degree by then.明年圣诞结婚吧，因为到那时你已经拿到硕士学位了。