To have an interference or force fit between mating parts, the tolerances must be such as to create a zero or negative allowance.

为了使配合零件之间具有过盈或强制配合，公差必须产生零或负允差。

youdao

In the absence of negative emotion-and therefore the allowance of complete alignment and communication with Source energy-your physical body can reclaim its balance and recover from any imbalance.

如果没有负面的情绪——总之完全与本源能量的契合和允许——你的物质身体就能恢复它的平衡，从任何不平衡中恢复过来。

youdao

When designing FDF system of compact spinning, the negative pressure drops resulting from spindles at the front and back of the machine should be kept within allowance.

在紧密纺大风机系统设计中，车头、车尾各锭的负压差异要保持在允许误差范围之内。

youdao

Though it should be noted that some of the time, those gamers struggling for cash to pay for games are kids using allowance money, and you have to wonder the negative effects of pausing their already sedentary video game to plug sugary soda.

FORBES: Sony Files Patent that Would Pause Games to Show Ads