其进入壁垒和退出壁垒被逐渐克服的翻译：The barriers to entry and exit barriers were gradually overcome 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The barriers to entry and exit barriers are gradually overcome

The barriers to entry and exit barriers were gradually overcome

It enters the barrier and the withdrawal barrier is overcome gradually

The barriers to entry and exit barriers were gradually overcome