迅速发展

• flying start
• mushroom growth

例句

1. 图表显示了该公司近年来的迅速发展。
   The chart show the company's rapid growth in recent year.
2. 那个运动起初不大容易展开，但是几个月以后，就开始迅速发展了。
   That movement was slow to catch on at first, but a few months afterwards it began to develop rapidly.