重点讲解：
1. contribute to 促成；促使；是导致…的原因之一；
例句：Honesty and hard work contribute to success and happiness.
诚实加苦干有助于成功和幸福9S&PZwAuK-_!IB8。
2. turn out 原来是；结果发现；
例句：I'm sure things will turn out all right in the end.
我确信最终一切都会好的%mWI()mEv=DYl~iuz。
3. at the same time 同时；
例句：The crash took place at the same time as he left.
就在他离开时，车祸发生了1eBAI2uB#+。
4. dial down 下调；降低；
例句：The retreating gasoline price helped to lift consumer spirits this month and dial down their inflation expectations.
本月汽油价格的回落提升了消费者信心，并降低了他们的通胀预期]NXdqm2fJFLF.q!~IcfO。