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2018-12-24 · 大部分英语学习者都能做好单个音素的发音控制，但是在使用中，并没有正确使用语音、 语调、韵律，使得英语 听起来别扭。英语的语调一般以 tone unit 为单位.
2019-2-18 · Market research is a process of collecting and analyzing data about a particular market to help a business organization or company in better decision making about marketing of its products and services. Market research template allows a company or business setting to conduct market research more effectively than ever. Effective market research enables a vendor [ ].