重點講解：
1. stand out
引人注目；顯眼；突出；
eg. Every tree, wall and fence stood out against dazzling white fields.
每棵樹、每堵墻和每道柵欄都在白得耀眼的田野映襯下十分奪目。
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.
在集體面試中脫穎而出。
2. be confined to
受限制的；被限定的；
eg. These dangers are not confined to smokers.
這些危險不只是困擾吸煙者。
eg. Our knowledge about agriculture has so far been exclusively confined to books.
我們對農業(yè)學的知識至今只限于書本上所說的。
eg. The previously free distribution of text books will now be confined to students who are needy.
以前免費發(fā)放課本，現(xiàn)在只給貧困學生。