提升、提高、增强：

　　enhance

　　e.g. A major reason to do this is to enhance the opportunities for our students. 这样做的一个主要原因是它可以增加本校学生的机会。

　　strengthen

　　e.g. And there must be no doubt: As America’s first Pacific President, I promise you that this Pacific nation will strengthen and sustain our leadership in this vitally important part of the world. 毫无疑问，作为美国的首位心系太平洋的总统，我向你们承诺，这个太平洋国家将增强并持续保持我们在世界这一极其重要地区的主导地位。

　　promote

　　e.g. The meeting discussed how to promote cooperation between the two countries. 会议讨论了如何促进两国的合作。

　　boost

　　e.g. It will also boost our exports of airplanes, machinery, technology and other products. 它还将促进我们的飞机、机械、技术和其他产品的出口。