Hello, everyone. I’m Li Dongyang. I enjoy country music very much. Do you like it?Country music started around 1920 in the south of America. Early songs were usually about farm life. In 1925, a radio station played country music for the first time. Then in the1940s and 1950s, it got into cities and became popular there.
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机译：A Comparative Analysis of the Effect of Aflatoxin Standards of Sub-Saharan African Countries Cocoa Export Trading Partners’on Sub-Saharan African Countries Primary and Processed Cocoa Export Trade
