对于训练——这是重要的，但是不要过高估计。

As for discipline - it's important, but sort of over-rated.

youdao

比如，你现在仅仅只有20个样本，对于训练集和有效的测试集来说，没有太多的数据。

If, for instance, you only have 20 samples, there's not much data to use for a training set and still leave a significant test set.

youdao

长跑对于训练跑步者十分必要，因为它能够使机体适应安全和高效的长距离奔跑。

Long runs are essential to the training distance runners because they enable the body to adapt to running greater distances safely and efficiently.

youdao