1.contribute to 做貢獻

例句：Both systems contribute to the decentralization of power.
這兩套體制都有助于權力的分散。

2.focuse on 引入

例句：With the rapid developing of the China market, more and more silicone supplier focuse on China.
隨著中國大陸市場的迅速發展，越來越多的有機硅供應商關注大陸市場。
3.adjust to 調整
例句：They power a blade in the water that the pilot can adjust to reduce drag.
他們在水中為一個劃片供能，因此駕駛者可以調整以降低拖力。

4.adequate to 適于

例句：This unscientific protocol is perfectly adequate to keep most of us functioning fine through the summer.
對于大多數人，這種并不夠科學的方法已經足夠我們順利度過夏天了。