这句话的course's是什么的缩写 是course 和is的缩写吗 如果是 为什么后面还有being?the course's being increasingly difficult and demanding usually results in a correspongding drop in attendance

这句话的course's是什么的缩写 是course 和is的缩写吗 如果是 为什么后面还有being?the course's being increasingly difficult and demanding usually results in a correspongding drop in attendance
这句话的course's是什么的缩写 是course 和is的缩写吗 如果是 为什么后面还有being?
the course's being increasingly difficult and demanding usually results in a correspongding drop in attendance

这句话的course's是什么的缩写 是course 和is的缩写吗 如果是 为什么后面还有being?the course's being increasingly difficult and demanding usually results in a correspongding drop in attendance
是的 being 的用法表示 难度正在增加着.