This tool can be used in a variety of ways.
这一工具有多种用途。
The test is used to diagnose a variety of diseases.
此项化验可用于诊断多种疾病。
We want more variety in our work.
我们希望我们的`工作多变点儿花样。
There is a wide variety of patterns to choose from.
有种类繁多的图案可供选择。
We all need variety in our diet.
我们都需要饮食多样化。