a significant change

• 重大转变

a significant change的用法和样例：

例句

1. Since the 50's,Hong Kong has undergone many significant changes.
   香港自五十年代起，经历过多次重大转变。
2. The second huge change was brought about by the impact of the Asian financial crisis.
   亚洲金融风暴的冲击给香港带来另一重大转变。