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對任何農(nóng)場來說，最好的肥料就是農(nóng)民的足跡。

When the third appeared, he thrust at it with the knife, only to feel the blade[刀片]?snap as the fish rolled.?

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.

創(chuàng)新不僅僅是技術(shù)的問題；它是關(guān)于改變思維方式，為后代創(chuàng)造可持續(xù)的解決方案。