This sets EBX to either zero or the difference of the two values.

这就将EBX或者设置为0，或者将其设置为两个值的差。

youdao

set:difference computes the difference between two sets, returning a node-set whose nodes are in one of the arguments but not the other.

difference 将计算两个集合之间的差异，返回一个节点集，该节点集的节点位于其中一个实参，而不在其他实参中。

youdao

One surprising finding Dr Velasco made was the huge degree of difference, 11.2% in all, between pinot noir's two sets of chromosomes.

Velasco博士令人称奇的发现主要是两个皮诺瓦葡萄基因组之间11.2%的巨大差异度。

youdao

Where both twins had the disease, there was an average of 3.66 years difference in age at onset between 25 sets of identical twins, and 8.12 years difference between 20 sets of fraternal (dizygotic) twins, suggesting genes had a role in determining when Alzheimer's was seen.

BBC: NEWS | Health | Alzheimer's risk 'is 80% genetic'

This explains a great deal of the difference between two sets of figures that Ms Moyo cites.

ECONOMIST: Economic folly

Finally, the most glaring difference between the sets of two Camp David peace talks relates to Jerusalem.

CENTERFORSECURITYPOLICY: Center For Security Policy