•Salary scales vary between states/ from state to state/ according to state/ with each state.工资高低各州／州与州／不同的州／每个州都不同。

•The samples varied in quality but were generally acceptable.这些样品品质有差异，但是大体上可以接受。

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•My taste in classical music varies greatly/widely , but I usually prefer Mozart or Brahms.我对各种古典音乐的喜好程度很不相同，但我通常比较喜欢莫劄特或布拉姆斯的音乐。

•Some people give a regular monthly donation while others vary the amount they give.有些人每月向慈善事业捐赠固定数目的善款，而有些人每月捐赠的数额多少不一。