慢速英语:Chinese Singles Drive the World's Biggest Shopping Day Online

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短语讲解：

1. By comparison, online sales in the U.S. last year on Black Friday were just $1.5 billion, reported TechCrunch.

by comparison 相比之下; 相形之下
例句：A snail by comparison is supersonic.
相形之下，蜗牛的爬行倒可说是超音速的了。

2. They want to make 1.11 an official American holiday, “a day of recognition for those who find themselves on the other side of the couple’s fence,” according to the website.
 
according to 根据，按照
例句：According to the normal,I should accept her invitation.
按照常情，我应该接受她的邀请。