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Optimism is a learned skill. Once you learn it, you can improve your life in every way.
Sustainable development requires not only vision but also concrete actions.
The human body is a complex puzzle, and viruses are just one piece of it.
There will always be things we wish to say in our programs that in all known languages can only be said poorly.
成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情,你就会成功。