1. be based on 以…为基础；
例句：The selection process is based on rigorous tests of competence and experience.
选拔过程是基于对能力和经验的严格测试。
2. generally speaking 一般而言；概括地说；
例句：Generally speaking, I am very satisfied with this job.
总体上说，我对我的工作很满意。
3. be aimed at 旨在；目的是；
例句：The new measures are aimed at tightening existing sanctions.
新措施旨在加强现行的制裁。
4. lead to 招致；致使；导致；
例句：The new system may be more economic but will lead to a decline in programme quality.
新系统可能更合算，但是会降低程序质量。
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