他们食物不错，但选择相当有限。

They do good food but the choice is fairly ___restricted.

公共汽车和地铁的主要问题是它们的开放时间有限，而且它们不能到达城市的每个角落。

The main problem with buses and the underground is their ___restricted opening hours and also the fact they don't go absolutely everywhere in the city.

机密文件的访问仅限于授权人员。

Access to the confidential files is ___restricted to authorized personnel only.