crux

名词

1. 1

   关键、核心、症结常用单数

   The crux of the problem is that nobody wants to take responsibility.

   问题的症结在于没有人愿意负责。

2. 2

   难题、难点

   Funding remains the crux for most small research teams.

   经费仍是多数小型研究团队的难题。