本期內容：

Tesla has launched its latest car, the Model Y, its second mass-market electric vehicle. The car was unveiled at an event in Los Angeles. The firm will first release a long-range version of the vehicle with a price tag of $47,000. Chief executive Elon Musk said a standard-range model priced at $39,000 would be available in 2021. It comes after a challenging period for Tesla, with production issues and legal problems for Mr Musk.

launchunveil）
mass-market: adj. 大眾市場的
mass communication: 大眾傳播
roadster: n. 跑車
vehicle: n. 交通工具
space vehicle: 宇宙飛船
SUV: 多功能運動型車；休閑越野車（sport utility vehicle）
long-range: adj. 長途版的
price tag: 標價

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