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Positive emotions are like nutrients for the mind, helping us grow and flourish.
The only thing I can rely on is my own perception, and that is always changing.
合作是科学的关键;它将不同的观点和专业知识结合在一起,这对突破至关重要。
A true friend is the one who holds your hand and touches your heart.
"A story is a gift that keeps on giving."