The question muddles up three separate issues.
该问题把3件互不相干的事情混淆了。
Simple imitation with innovation and creativity are two separate issues.
简单的模仿与新意和创意完全是两回事。
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。
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。
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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