venture capitalist       
noun [ C ] uk/ˈven.tʃə ˌkæp.ɪ.təl.ɪst/ us/ˈven.tʃɚ ˌkæp.ə.t̬əl.ɪst/
 风险资本家;投机资本家
a person or company that invests money (= gives or lends it in order to make a profit) in new companies, especially when this involves risk
  Many biotech companies are small start-ups, backed by venture capitalists. 许多生物技术公司是得到风险资本家支持的小型初创企业。 
 Venture capitalists seldom invest in an untested idea. 风险资本家很少投资于一个未经测试的想法。 
 See: venture capital
 - More examples
 - Heavily funded by venture capitalists, the companies faced enormous pressures to get big as fast as possible.
 - The company is backed by a number of leading venture capitalists.
 - Venture capitalists are pouring money into clean technology.