A: Outdoor is inexpensive and has little competition for customer attention.
户外宣传价格便宜，在吸引消费者注意力方面几乎没有竞争。
B: But it has limited information, little control over target audience.
但是所宣传的信息量有限，目标受众几乎无法控制。
A: How about Internet?
互联网怎么样？
A: Internet is a good choice.
互联网是个不错的选择。
B: It has potential mass audience, but no control and little targeting capability.
互联网具有大量的潜在浏览者，没有控制目标，缺少锁定目标的能力。
A: It is difficult to control reader's attention, and also has some delivery problems.
互联网难以控制浏览者的注意力，而且存在一些信息传送方面的问题。
