uneven lot的意思|示意

The book coachs variously on market now a lot of, quality discretion is uneven.

现在市面上各种各样的辅导书很多，质量高低参差不齐。

A lot of research need do because it is difficult to resolve the problem of uneven dispensability of nano-particles in polymer.

但如何解决纳米粒子在高分子基体中难以均匀分散的问题，仍需要做大量的研究工作。

There's been a lot of handwringing lately over grade inflation, and it is a scandal, but the most scandalous thing about it is how uneven it's been.

最近有很多文章谈到分数膨胀的问题，这是丑闻，但是最丑陋的地方在于它是多么地不平衡。