And also in a very sort of pragmatic sense, in a negative way, it's tax-deductible.

同时，从实用的角度来讲，或是从一个消极的角度，这种捐款是免税的。

普林斯顿公开课 - 人性课程节选

This thing better start turning negative soon or we are going to change the way the world works here.

它们很容易一开始就转化成负的,或者我们将取改变那儿工作方式。

麻省理工公开课 - 固态化学导论课程节选

q2 So q2, the heat in this way is negative.

所以沿这个方向的，是负的。

麻省理工公开课 - 热力学与动力学课程节选

It's not merely a negative thing the way I think modern ideas about law, as for instance, represented in the American Constitution are, which is to say, its function is to prevent wrong doing, to punish wrong doing.

我的理解是,这里的法律,不仅仅指当今的法律条款,比如美国宪法所代表的那些内容,也就是,行使防范错误行为,以及惩罚错误行为的职能

耶鲁公开课 - 古希腊历史简介课程节选

So the allowed values for m sub l 0 are going to be negative l, all the way up to 0, l and then up to positive l.

所以m小标l的可能值,是从负l，一直到，然后到正。

麻省理工公开课 - 化学原理课程节选

If the Ax and Ay, some are positive and some are negative, this is the way by which we have learned we should combine multiples of i.

如果 Ax 和 Ay 有正有负,这就要用到我们所学过的方法,将所有 i 的倍数加起来

耶鲁公开课 - 基础物理课程节选