单词:estimated time standard
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That's why the day after Thankgiving is called Black Friday. The start of the holiday shopping season and the time when a lot of companies hope to make up sales, to get in the black. This focus on racing to be part of it, a lot of stores offer deals
by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?
TELEX, FAX AND E-MAIL 电传、传真及电子邮件 Ⅰ. Telex 电传 Introduction Telex is a teletypewriter exchange service. It is conducted between two parties that have access to a teletypewriter. Telex service is now still used in some foreign
Economics Report - How Gold Became the Gold Standard for Trade 经济报道 - 黄金是如何成为贸易金本位的? This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The best example of something