It is a moot point but there is an argument in health and safety law that failing to cancel the match carries an exposure to risk and is a breach of the law.

这是一个没有定论的问题，在健康与安全法中也有这样一个争论，无力取消比赛将会使危险暴露出来，而且，这也违反了法律。

youdao

If the influence is limited, point-to-point promotion effect is not effective, and there will be some users to take attention to cancel the attention, really big enough merchants to obtain the reward?

如果影响力有限，点对点的促销效果也不一定有效，且还有一些用户采取关注获取利益再取消关注的方式，商家获取的回报是否真的足够大呢？

youdao

So, the point is whenever you have derivatives with something over dt, do not hesitate to cancel the dts This will be actually true as long as both quantities are vanishingly small.

关键在于,只要你推出的式子分母上有dt,不要犹豫,直接约掉,这个式子只在,两遍都是无穷小的情况下成立

耶鲁公开课 - 基础物理课程节选

Carew acknowledges the point, but argues that higher productivity does not automatically cancel out jobs.

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To cancel out that 70% drop, shares will have to rise 233% from their lowest point (see chart).

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