In general, the design procedure is not straightforward and will require trial and error.

一般说来，预设历程不是一帆风顺的，而需要重复试验。

youdao

In general, the design procedure is not straightforward and will require trial and error.

一般说来，预设历程不是一帆风顺的，而需要重复试验。

youdao