重点讲解：
1. stand out
引人注目；显眼；突出；
eg. Every tree, wall and fence stood out against dazzling white fields.
每棵树、每堵墙和每道栅栏都在白得耀眼的田野映衬下十分夺目。
eg. His height makes him stand out in the crowd.
他身材高大，因此在人群中很突出。
eg. I stand out in a group interview.
在集体面试中脱颖而出。
2. be confined to
受限制的；被限定的；
eg. These dangers are not confined to smokers.
这些危险不只是困扰吸烟者。
eg. Our knowledge about agriculture has so far been exclusively confined to books.
我们对农业学的知识至今只限于书本上所说的。
eg. The previously free distribution of text books will now be confined to students who are needy.
以前免费发放课本，现在只给贫困学生。