1.lead to导致

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Q2x(8uQDU3r#[s6+5。

2.not to mention不用说

The audience, not to mention the bewildered cast, were not amused.
观众们并没有觉得好笑，更不用说那些一头雾水的演员了3!GN1!&9lUCur9vZ|DaN。

2.depend on取决于
The risk and severity of sunburn depend on the body's natural skin colour.
晒伤的风险和严重程度取决于人体的自然肤色^PpOGRUzWOCDb6E__MeM。

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