小作文:流程图 两个图表对比, black coal vs brown coal 煤在发电过程中的损耗情况
大作文:
版本一: 人们玩手机会失去人与人面对面交流的能力,问do you agree or disagree
版本二:people believe that using mobile phones and computers to communicate make us lose ability to communicate with each other face-to-face,do you agree or disagree?