没有理由为什么你不能享受美化即使天黑了。
There is no reason why you can't enjoy your landscaping even after the sun goes down.
不过也没有理由为什么你不应该给予人们建议如何去做。
But there is no reason why you shouldn't offer people advice in how you go about it.
然而，国会没有理由为什么不应至少制定一项清洁能源标准，为发明革新开辟市场。
But there's no reason why Congress shouldn't at least set a clean energy standard that creates a market for innovation.
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