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Happiness is a state of mind, not a set of circumstances.
Every chemical process we develop must pass three tests: Is it safe? Is it sustainable? Is it scalable?
在采矿业,我们必须在经济增长和环境管理之间取得平衡,以创造长期价值。
You don't love because: you love despite; not for the virtues, but despite the faults.
The past is a darkness crowded with voices.