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解释:砍伐树木不把树根砍掉,必能重新生长;堵塞水不把源头堵住,必会重新流出;消除祸患不铲除产生祸患的根基,祸患还会再生。
Whatever you're meant to do, do it now. The conditions are always impossible.
The most important experiments are the ones that challenge what we think we know.