play big major

• 起重要作用

play big major的用法和样例：

例句

1. Intellectuals play an important part in society.
   知识分子在社会中起重要作用。
2. It is also only comparatively recently that economics has begun to play an important role in the urban planning procedure.
   经济学在城市规划程序中起重要作用也只是相当近的事。