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The key to successful trading is to know when to buy and when to sell.
最好的交易者是那些能够从错误中学习的人。
The most damaging phrase in the language is: 'It's always been done this way.'
The more you know who you are, and what you want, the less you let things upset you.
Innovation in medical technology requires a deep understanding of both the scientific principles and the practical needs of patients.