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每一滴石油都应该被高效和负责任地使用。
"The past is always tense, the future perfect."
你送给我桃子,我就回报给你李子。意思是做人要知恩图报,不能忘恩负义。也比喻礼尚往来,相互赠送礼物。
I don't make music for the charts. I make music for the people.