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采石業的成功來自于效率與環境責任的平衡。

The past is not dead, it is not even past.

"The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next."

我不是刻意保持神秘，我只是不喜歡談論自己。

"In every book, there is a part of the author's soul."

The market is always looking for the next big trend.

因果推理需要仔細思考分析背后的假設。