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没有目标的利润最终是不可持续的。
To be human is to be in conflict with oneself.
姚明的英语越来越好,一位记者不识时务的问道:“你(姚明)现在是不是觉得英文比中文说的更加流利?”姚明马上对着身边的翻译科林说道
Investing in cleaner coal technologies is an investment in our future.
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."