1. True. But Brian's ad made me laugh. He is such a funny guy, and humor is very important to me. 是的，但是布莱恩的回答使我大笑，他是一个非常有趣的人，幽默是非常重要的对我来说。
2. Google's ad quality score update mechanism, the user can search at the same time to judge the quality of the ads. 谷歌此次更新广告质量评分机制，可以在用户搜索的同时对广告质量做出评判。
3. The acrimony has escalated as a three-year decline in the print medium's ad revenue accelerated during the past year. 在印刷媒体广告收入连续三年下跌，特别是去年更加严重，出版商的抱怨也随着升级。
英英解释
adj.
1. experiencing or showing sorrow or unhappiness
2. of things that make you feel sad
3. bad; unfortunate
网络释义
SAD Seasonal Affective Disorder;
忧愁;
社交回避及苦恼量表;
季节性情感障碍;
sad news 餐厅的帐单;
(令人悲伤的消息）（酒店等的）帐单;
（酒店的）账单;
令人悲伤的消息;
