那为啥这些学校录取率那么低，而录取门槛又那么高呢？难道都是穷人盼着拿资助去 申请？

"为了入学而花费大量时间的很多EC,很多时候只能入学时有些用处，待到了职场上，几乎无用。"?

Wrong.

1. ECs are not just for 入学

2. If one can do multile ECs well, while still excels in academics, one stands out in talent/ability.

3. Hard skills are of course important on job, but soft skills (many are nurtured by the ECs) often are what actually determine how far a person can go