东欧的机器人取代了工人

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replace(d) – v. to put someone or something new in the place or position of (someone or something

artificial intelligence – n. the power of a machine to copy intelligent human behavior

straight – adj. following one after the other in order

executive – n. a person who manages or directs other people in a company or organization

automation – n. the act of using machines and computers instead of people to do the work

bleak – adj. not hopeful or encouraging

scale – n. the size or level of something especially in comparison to something else