There is no need to regard density-dependent factors as having any special importance . 没有必要认为密度制约因素具有任何特殊的重要性。
They illustrated my point so clearly that i am sorry i needn't read them to you now . 它们把我的观点解释得很明白，恐怕现在我没有必要读给你们听了。
For the purposes at hand, there is no need for a detailed consideration of these more complex models . 从目前任务来说，没有必要详细研究更为复杂的模型。
She had no business to be so friendly to a young man of whom their brother thought so meanly . 她根本没有必要与一个她们的兄弟认为十分卑劣的小伙子这样亲密。
It is not essential to build a storage or impounding reservoir if the water can be stored in the ground . 如果能将水储存在地下，就没有必要建造水库或蓄水池。
The thing was not only not a rupture, but she was under no obligation to regard it even as a menace . 这件事本身不但算不上绝交，她甚至觉得没有必要称它为危险。
However, we feel that there is no necessity to justify this argument since it is almost self-explanatory . 但是我们觉得没有必要核对这种论证，因为它几乎是不言而喻的。
There is no necessity to take into consideration the basis which the people will need to continue a most primitive existence . 没有必要考虑这个民族维持最原始的生存的基础问题。
Of course there's no reason why they should, he's a useful and obedient lackey in their struggle for foreign markets . 当然他们没有必要这么做，在他们争夺国外市场的斗争中，他是一只可以利用而且俯首贴耳的走狗。
Although there was no need to marshal the grave facts, mr. reynald dwelt not obscurely upon the possible french withdrawal from the war . 虽然没有必要列举严重的事实，雷诺先生却毫不含糊地说法国有退出战争的可能。
