然而，在许多情况下，这是因为那些使用者没有得到足够的训练，或没有完全足够地使用它。

However, in many cases, this is because those using it have not been adequately trained or are not using it regularly enough.

youdao

要用那种马桶需要提前训练，尤其是如果使用者坐姿不当，可能会搞的一团糟。

Use of that toilet requires practice before heading to space, particularly because an improperly seated user has the potential to create a messy situation.

youdao

个人计算机还未开始普及，计算机仍然是由特别受过训练的使用者使用。

The personal computer explosion had not occurred yet, and computers were still for specially trained users.

youdao