natural necessity meaning in English

自然的需要

And then it is a logical necessity to be spiteful , just as it s a natural necessity for a plucked apple to go bad
这一来，你便逻辑地不得不要仇恨起来，正如一个摘下来的苹果，自然地不得不要腐坏一样。 ”
If we feel like it , let us all have a good cry - and clear our minds of those cobwebs of confusion which have for so long prevented us from understanding the natural necessity of crying
如果我们想哭的话，那就让我们好好地哭一场，把那些很长时间以来使我们不能很好理解哭这种天性、像蜘蛛网一样的种种糊涂想法从我们的思想中清除干净。
If we feel like it , let us all have a good cry - and clear our minds of those cobwebs of confusion which have for so long prevented us from understanding the natural necessity of crying
如果我们想哭的话，那就让我们好好地哭上一通吧，把那些很长时候以来使我们不能理解哭这种天性的需要、像蜘蛛网一样束缚人思想的种种糊涂想法，从我们的脑海中清除的干干净净吧。