Among his solutions: Control expectations, make decisions non-reversible, avoid social comparisons and 'learn to love constraints.'
他给出的忠告包括：控制期望、选择不可逆的决定、避免进行社会比较，还有学会喜爱约束。
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This paper introduces the principle of electromotor based on single chip computer 8051PWM, and the realization process of reversiblecontrol and non-reversiblecontrol.