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如果你感到痛苦,那是因为你在成长。
The personality of the teacher is the cornerstone of education.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
爱是理解和接受对方。如果不能做到这一点,就不能称之为真正的爱。
Innovation in forestry practices is key to balancing economic growth and environmental protection.