我们必须改变方式，以免由于滥用资源而无可挽回地咎由自取。
We must change our ways, lest we irreparably damage ourselves through misuse of our resources.
但是，如果我们以这种失控的速度继续滥用资源，我们就绝不能再对我们人类的未来持乐观态度。
However, if our continuing abuse of resources continues at this rate unchecked, we can be anything but optimistic about our species' future.
当今我们所面临的一些重大问题中，有些是由于过度使用以及滥用资源而造成的环境不断恶化。
Some of the greatest problems we face today are concerned with the gradual destruction of our environment through over-use and abuse of our resources.
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