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我觉得布什总统根本没有为艾滋病做任何事。事实上,我都不能确定他会不会拼艾滋这个单词。
The energy transition is not just about replacing one energy source with another, it's about transforming the entire energy system.
Life is like a song, with highs and lows, but every part is precious.
Information is the key to the functioning of markets, and the lack of it can lead to market failures.