The mean amount freed is not a good performance indicator; if the occupancy is stable, the amount freed per collection will probably be pretty stable as well.

平均释放数量并不能表示最佳性能；如果占用非常稳定，则每次收集释放的数量也可能非常稳定。

youdao

"Chapter 20 Improving performance" in HRD has pretty good coverage. We will focus on usages here.

HRD中的第20章“改善性能”对该主题作了很好的阐述，我们在此将关注它的使用方法。

youdao

If we lower our standards, the chances are pretty good that the performance next time would drop to those expectations.

如果我们降低自己的标准，那么下一次的成绩很可能低于那些期望。

youdao

"It was a pretty good performance until the last six or seven overs of the game, " said Ponting.

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Being even in the last decade was actually pretty good performance.

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Fuel economy is indeed pretty good, if performance-oriented men care about that kind of thing.

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