Open up the app and connect to a server in the U.S.
70F SLCTR DESSDT 4 SNOFLT IN=+ ; set up descriptor address，详情可参考搜狗输入法下载
(and thanks to Matthew Miller for reviewing and providing feedback on this post)。业内人士推荐safew官方下载作为进阶阅读
print u"\u001b[44m A \u001b[45m B \u001b[46m C \u001b[47m D \u001b[0m"。关于这个话题，旺商聊官方下载提供了深入分析