If you were facing this player once per year, you would NEVER learn to play against inverted, since you need much more practice to get used to it.

如果你一年只有一两次对到这种人，你永远都不会学习到如何对付他，因为你需要更多的练习。

youdao

Further more, as the application of CRM is a complicated system, it is difficult to operate and to evaluate the effect. These questions need to be further studied and discussed in practice.

另外，CRM的实施本身是一个庞大复杂的系统工程，实施起来有一定的难度，评价其效果也比较困难，这些问题都仍有待在实践中进一步地研究与探讨。

youdao

Further more, as CRM is a complicated system, it is difficult to operate and to evaluate the effect. These questions need to be further studied and discussed in practice.

另外，客户关系管理本身是一个庞大复杂的系统，实施起来有一定的难度，评价其效果也比较困难，这些问题都仍有待在实践中进一步地研究与探讨。

youdao