In the text, In the text, the expression “fly-on-the-wall” (l.7) means to be able to watch what people are doing without their noticing you. the expression “fly-on-the-wall” (l.7) means to be able to watch what people are doing without their noticing you.

the expression “fly-on-the-wall” (l.7) means to be able to...

Q537867

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In the text,

the expression “fly-on-the-wall” (l.7) means to be able to watch what people are doing without their noticing you.

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