这个语法指南解释了英语单词的不同用法。
This grammar guide explains different ___usages of English words.
英语中有很多固定搭配和习惯用法需要学习。
There are many set phrases and common ___usages to learn in English.
这张图表显示了上个月水资源的每日使用量。
This chart shows the daily water ___usage from last month.