不必要的

The fingering should be similar but does not need to be identical.

两只手的指法不必要一模一样，但是要相近。

I felt it was necessary to leave for a period after such unpleasent flite happened.

发生了这样不愉快的争吵之后，我觉得有必要暂时离开一段时间。

It's necessary for me to leave for a spell ,after happening so unpleasant dispute.

发生了这样不愉快的争吵之后，我觉得有必要暂时离开一段时间。

We are not against employing part of the forces in frontal operations, for that is necessary.

我们不反对使用一部分兵力于正面，这是必要的。

Formally, the goto statement is never necessary, and in practice it is almost always easy to write code without it.

从理论上讲，goto语句是没有必要的，实践中不使用goto语句也可以很容易地写出代码。

Doesn't it make sense to have a good idea of what you're getting into?

花时间来了解你要做什么难道不是非常有必要的吗？

What thou wouldst highly, thou wouldst holily.

你并不是没有野心，但没有那些必要的残酷你不会成事。

At the very least, these developments imply the next MPC meeting will be a humdinger.

我们这些预测经济形势的人员不可能也不必要把这种内在的大众心理的因素考虑在内。

The results show that:(1) The long-term prediction for the production of field icefish population is unreliable because of chaotic behavior.

同时指出：（1）混沌行为使银鱼产量长期预报不可能实现，只有短期预报才能保证必要的精度。

It is a sequel to "Imperium" but it is not necessary to have read the one to enjoy the other.

它和"Imperium"是一个系列，但"Imperium"却不必要成为享受这本书的先决条件。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。