By 1830 the former Spanish and Portuguese colonies had becom...
考研英语真题1,195评论issue
revenue
The most powerful untapped resource in health care
医疗保健领域尚未开发的最强大资源 untapped； tap-水龙头，塞子，把塞子打开，开发 利用 → untapped...
考研英语听力726评论community
consequence