1. according to
The amount paid will vary according to circumstances. 所付数额视情况而定。
The amount of tax people pay varies according to where they live. 居住地不同，人们所交的税额也各不相同。
2. among
Services offered vary among the main high street banks. 各大商业银行提供的服务不尽相同。
3. by
Access to this information varies by social class. 获取这一信息的途径因社会阶层的不同而变化。
4. from
The text varies from the earlier versions. 这一文本与较早的版本有些不同。
5. from…to…
Air quality standards vary from state to state. 空气质量标准州与州不同。
The approximate cost varies from around ￡150 to ￡250. 费用大概介于150至250英镑之间。
6. in
The rooms vary in size. 房间大小不一。
Other services vary dramatically in quality. 其他服务在质量上差别很大。
7. on
Medical opinion varies on how many tablets it takes to overdose. 医生对于服用多少药片算作过量意见不一。
8. with
The availability of good medical care tends to vary inversely with the need for it.优质医疗服务的提供往往与需要成反比。
