第1个回答 2017-03-16
must 表示主观上愿意去做的必须,
have to 表示客观上被迫做。
第2个回答 2017-03-16
must 侧重人的主观意识
have to 强调客观情况
The teacher told me that I must finish my homework before four o'clock .
It rains heavily outside ,so we have to stay at home .
第3个回答 2017-03-16
must to 重点说的是说话人的心理
have to 重点在客观事实
You have take the next bus, 原因是上一辆车已经走了
You must take the next bus 原因是说话人这么认为本回答被提问者采纳
第4个回答 2017-03-16
rchase and consumption behaviors.