But this course should be time consuming due to the complexity of international tax cooperation.

但由于国际税收合作的复杂性，这一过程尚需一定的时日。

youdao

But this course should be time consuming due to the complexity of international tax cooperation.

但由于国际税收合作的复杂性，这一过程尚需一定的时日。

youdao