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投资者和投机者之间最现实的区别在于他们对股市波动的态度。
The most realistic distinction between the investor and the speculator is found in their attitude toward stock-market movements.
采矿业必须发展以满足不断变化的世界的需求,否则将被淘汰。
说真话的唯一方式就是怀着善意。只有充满爱意的人说的话才能被听见。
The essence of causal inference is to go beyond the data and ask what would happen if we intervene.