This tool can be used in a variety of ways.

　　這一工具有多種用途。

　　The test is used to diagnose a variety of diseases.

　　此項化驗可用于診斷多種疾病。

　　We want more variety in our work.

　　我們希望我們的`工作多變點兒花樣。

　　There is a wide variety of patterns to choose from.

　　有種類繁多的圖案可供選擇。

　　We all need variety in our diet.

　　我們都需要飲食多樣化。