And just being clever enough to be accepted on to an MBA from a top institution is a useful signalling device for recruiters.

想要被最优秀的商学院MBA录取，让自己显得足够聪明对招聘人员来说是一个有用的信号。

youdao

This paper presents some examples to change the complicated maths problems about proving and calculating into simple ones. It's very useful in solving the maths problems in a clever move.

通过举例，将数列有关证明和计算的问题化繁为简，巧解数列问题有较强实用性。

youdao

The most clever and useful feature is Chat Heads, which will show Facebook messages from your friends (along with a bubble showing their profile photo) no matter what app you are using at the time.

CNN: Review: A closer look at Facebook Home

Whether or not this will turn out to be true, it was a clever and politically useful argument.

CNN: Tucker Carlson: China vote creates political winners

Seek instead the clever, cute and useful.

FORBES: Magazine Article