"The past is a foreign country; they do things differently there."

根据问题出现的背景，代数实部可以接受从负无穷到正无穷的所有数值。

The strongest containers are made not just from steel, but from vision and teamwork.

我想，当这一切的一切都已经结束时，这些回忆还是会历历在目。你知道的，就是那种万花筒般的回忆，被无限放大和复制。就这样一幕幕回放。可真实的他，从未回到我身边。