The question muddles up three separate issues.

该问题把3件互不相干的事情混淆了。

《柯林斯英汉双解大词典》

Matrix acidizing and water control are usually addressed as two separate issues.

通常是将基质酸化和控水作为二个不同问题分别进行处理。

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Although the ozone layer contributes to the greenhouse effect, theozone hole and global warming are actually separate issues.

虽然臭氧层会引起温室效应，但臭氧空洞与全球变暖实质上是两回事。

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He says this is an unnecessary debate over separate issues.

VOA: standard.2009.04.08

"It is two separate issues; we clarified our position from the beginning, that this moratorium is only for 10 months and direct talks is a very important issue for both sides,not only for Israel.

VOA: standard.2010.07.28

There are two separate issues here which the judge ruled on in regards to GPS tracking devices.

FORBES: St. Louis Judge Not Waiting For Supreme Court's GPS Tracking Decision

Lucy Scott-Moncrieff, president of the Law Society, told the BBC his arrest and Monday's appeal are "two completely separate issues".

BBC: Abu Qatada detained over alleged bail breach

However, Paramount vice-chairman Rob Freidman said they are "totally separate issues" and that Cruise had supported the movie "in full force".

BBC: NEWS | Entertainment | Global success for War of Worlds