...at will affect our discussion]为了便于讨论,我们假设这是错误的。后面这个:let's say for now
that it was a mistake so that we can see how that will affect our discussion,不太明白,能否从结构上分析一下这个句子,let's say含义是“假如”,for
now that...
The gadget is constantly listening for spoken commands, but according to the company only records and stored snippets of conversation following a "wake word" — in the Echo's case, "Alexa."