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The city is a living thing, always changing, always the same.
The ocean feeds millions; our duty is to protect it while harnessing its potential.
Any change, even a change for the better, is always accompanied by drawbacks and discomforts.
我认为我和吉姆值得称赞的主要原因是...选择了正确的问题并坚持研究它。
Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.