Now that the kids have left home we've got a lot of extra space.

孩子们都离开家了，我们住着就更宽绰了。

We needed the extra space.

我们需要额外的空间。

Can you solve it without using extra space?

能否不使用额外的空间来解决这个问题？

How will that extra space benefit you? (you're worth it.)

多余的空间是如何让你获益？

The extra space can reduce overflows and index page splits.

额外的空间可以降低溢出和索引页拆分。