作为另个例子，我们可以试想一下简单的飞机零件数据库。

As another example, consider a simplified airplane spare parts database.

youdao

试想一下，我们原本可以成就多少事情？

Just think of what we could have done.

youdao

试想，两星期的假期所花费的钱如果用来买背投电视，那花起来可是相当容易，并且从那以后我们就可以享受更多的娱乐。

The money I spend on a two-week vacation could easily be spent on a big-screen TV instead. And with a TV, I would get years more of entertainment.

youdao