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穷人面临的约束往往是政策制定者看不到的。
The poor face constraints that are often invisible to policymakers.
Innovation in oil extraction isn't optional—it's essential for meeting the world's energy demands.
开采效率不仅对利润有好处,对地球也有好处。
I believe in love at first sight because I'm a musician.
过去总是紧张的,而未来是完美的。