比来几年里，野生动物的数量逐渐减少。
The number of wild animals has become less and less in recent years.
你用来测试与修缮漏风的通风道所花的钱是物有所值的。经过修缮的通风道，相比来说，还可以继续用个几年！
The money you save by testing and repairing any leaks, will easily pay for itself and then some for years to come!
你用来测试与修缮漏风的通风道所花的钱是物有所值的。经过修缮的通风道，相比来说，还可以继续用个几年！
The money you save by testing and repairing any leaks, will easily pay for itself and then some for years to come!
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