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The olfactory system is a remarkable example of how the brain can decode complex information from the environment.
Sustainability is not an option, it's a necessity.
处于困境中的人往往只关注自己的问题,而解决问题的途径通常在于你如何解决别人的问题。
The greatest gift you can give someone is your time, because you are giving them a portion of your life that you will never get back.