“拓展合作”怎么翻译？

Part One 热词

1. 度假房产咨询师 vacation home consultant   

2. 电竞游戏指导 e-game coach

3. 运动治疗师 exercise therapist 

4. 时尚买手fashion buyer

5. 共享单车运维员 shared bike maintenance personnel

Part Two 汉译英

原文：拓展与联合国人权机构的合作。加强与联合国人权事务高级专员办事处合作，承诺于2014年至2017年向联合国人权高专办大幅增加捐款。

译文：Promotion of cooperation with the UN’s human rights bodies. China continued to cooperate closely with the Office of the United Nations High Commissioner for Human Rights, promising to greatly increase its donations to the office in the period 2014-2017. 

自学笔记：

1. 拓展合作：promotion of cooperation with 

2. commissioner [kəˈmɪʃənɚ] N-COUNT (政府部门或其他组织的)长官，要人

3. promising to greatly increase its donations to the office in the period 2014-2017：现在分词短语做伴随状语