You know, we describe Sentinel as a pandemic preemption system, and here we are in a pandemic.

PS：你知道， 我们将 Sentinel 描述为流行病先发制人系统，而我们现在正处于流行病。

Such a preemption, like that of a traveller's bag in the rack, was unquestionable; and, for additional evidence, sitting with her knees crossed, she kept one foot continuously moving a little, in cadence with the other, which tapped the floor.

这种先发制人，就像行李架上的旅行包，毋庸置疑的；为了进步证明，她双膝交叉坐着，只脚不停地移动点，与另只脚的节奏致，另只脚敲打着地板。