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The market is always changing, and so should your strategies.
The answers to our future lie buried in our past.
积极性让我们变得更好。通过打开我们的心灵和思想,积极情绪让我们能够发现和建立新的技能、新的联系、新的知识和新的存在方式。
The future of coal depends on balancing economic growth with environmental responsibility.
The best way to understand a program is to try to change it.