It was her trips to South and Central America that crystallized her desire to work on environmental issues.正是她到中南美地区的旅行明确了她从事环境工作的愿望。The irony of getting her chance to work in a less stimulating environment than heretofore did not escape her.让她有机会到一个迄今为止最无趣的环境工作，这种让人哭笑不得的状况她不是不知道。