switch
单词辨析：
通常指互相交换同类东西。
Mary exchanged coats with Lucy.
玛丽同露西交换了外套。
Both sides exchanged their opinions on the issue at the meeting.
在会上，双方就此问题交换了意见。
侧重指交流思想、信息或交换位置等。
As a manager, he often interchanges ideas with his workers.
作为经理，他经常与员工交换意见。
The two friends interchange letters each week.
这两个朋友每周都有信件往来。
多用于口语，常可与 exchange 换用，但侧重于调换之意。
Our glasses have been switched/exchanged - this is mine.
咱俩的玻璃杯对调了——这个是我的。
Will you switch/exchange your horse for my car?
你愿意用你的马换我的汽车吗？
尤指买卖货物，也可表示交换物品。
He usually trades by phone or online.
他经常通过电话或网络进行交易。
She traded her books for his CDs.
她用书换他的光盘。
相关例句：
As the era wore on, she switched her attention to films.
随着这个时代慢慢过去，她把目光投向了电影业。
Let's switch over to Channel 4.
换到4频道吧。
Next week they will swap places and will repeat the switch weekly
下周他们将交换座位，并且以后每周换一次。
Milk rounds are threatened as customers switch to buying from supermarkets.
随着顾客转而从超市购买牛奶，送牛奶的生意受到了威胁。
You may find you've got so many things to think about that it's difficult to switch off.
你会发觉需要考虑的事情太多了，想不操心都难。
My mother's interest had switched to my health
母亲转而关注起我的健康来。