espouse 是信奉、拥护的意思。  

A majority of the Democratic presidential candidates espouse the belief that people who enter the U.S. illegally should not only be allowed to stay, but that they should be given free healthcare. 民主党总统参选人中大多数都支持这样一种信念，即不仅应该允许非法进入美国的人留下来，而且应该给他们提供免费的医疗保健。