慢速英语:福特与沃尔玛致力于无人驾驶运输车
日期:2018-11-16
Words in This Story
groceries - n. food sold or bought at a store
mainstream - n. thoughts, beliefs and choices that are accepted by the largest number of people
interact - v. to talk or do things with other people
customer - n. someone who buy goods or services from a business
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