Preview的英文解释:an opportunity to see something such as a film or a collection of works of art before it is shown to the public， or a description of something such as a television programme before it is shown to the public。
纽约时报——The New York Times网址：https://www.nytsyn.com/经济学人——The Economist网址：https://www.economist.com1.department/dɪˈpɑːtmənt/ n.
a figure representing the difference between credits and debits in an account;当看到“秒杀”这个字眼，相信大家的第一反应是拿起手机，设置好几个闹钟避免错过。
