同学你好，该知识点来自沪江网校《【Uni智能】雅思7分一站式VIP-大学起点【6月签约现金奖励班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
Traditionally there were 4 changes each year, one for each season, but fast fashion is changing all that.
all that 这一切，指的是“Traditionally there were 4 changes each year, one for each season”

Then one hug changed all that.
然而一个拥抱改变了那一切。

祝同学学习进步~