You will see what great benefit the computers you own can be _____ every time we use them.
问题描述：
You will see what great benefit the computers you own can be _____ every time we use them.
请说一下为什么是IF
不好意思。是OF
答
if 表示条件,意思是：如果你每次用到它们,你会看到你拥有的电脑可能有什么巨大的好处.