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- In order to earn the same as a paid app on a per user basis, the free app would have to command an $8.75 CPM (cost per thousand ad impressions). 为了获得与收费程序相同的回报，免费程序的CPM必须有8.;75美元（CPM：每千次展示的广告费用）。
- I come in answer to your ad for a salesman. 我来应聘售货员的职位。
- We were told to help ourselves to the food ad lib. 这些食物让我们随便吃。
- My general impression was that it was quite good. 大致上我觉得那相当好。
- Problems were solved on an ad hoc basis. 做了一些变通问题便解决了。
- Her gentleness has given me a deep impression. 她的亲切给我留下了很深的印象。
- We formed a very favourable impression of her. 我们对她印象极好。
- Insert a want ad, and it may help. 登一则招聘广告，也许有用。
- He gives the impression of not caring a damn. 他给人的印象是满不在乎。
- His concern for the masses made an indelible impression on us. 他对群众的关怀给我们留下不可磨灭的印象。
- His head sank down ad he fell asleep. 他睡着时头垂了下来。
- You made a favourable impression on the examiners. 你给主考留下了很好的印象。
- His shabby appearance creates a bad impression. 他那寒酸的样子给人留下不好的印象。
- Points of policy are decided ad hoc. 政策的条款是临时决定的。
- His personality left a deep impression on us. 他的人品给我们留下了深刻的印象。
- I don't want to go on working here ad infinitum. 我不愿意永远在这里干下去。
- The room gave an impression of decease. 这房间给人一种死亡的印象。
- Her light conduct left a bad impression on me. 她那轻浮的举止给我留下一个坏印象。
- She made a forceful impression on me. 她给我留下极深的印象。
- The actress often forgot her line but was very good at ad lib. 那个女演员常忘台词，却极擅长临时拼凑。
