As to tax, that will be deducted from your salary.

至于税款，将从你薪水中扣除。

No one has come up with a definitive answer as to why this should be so.

至于为什么该这样，还没有人给出明确的答复。

There are many theories as to who masterminded the attacks.

关于谁策划了这些攻击，有许多的猜测。

This gave me a clue as to the source of the problem.

这给了我一个关于问题根源的线索。

These tests were so seriously flawed as to render the results meaningless.

这些测试存在着如此严重的缺陷，以至于使得结果毫无意义。