entry barriers

• 进入壁垒

entry barriers的用法和样例：

例句

1. The growing population of foreigners in China has professionalized the film industry, creating higher entry barriers for anyone without formal training.
   在中国，拥有专业的电影演艺的外国人在不断地增长，对那些未经正规培训的人来说是创造了更高的进入壁垒。