By watching what people search for, click on and say online, companies can aim "behavioural" ads at those most likely to buy.
通过观察人们在线搜索的内容、点击的对象以及所说的话，公司可以向最有可能购买产品的用户投放"行为"广告。
In the past couple of weeks a quarrel has illustrated the value to advertisers of such fine-grained information: Should advertisers assume that people are happy to be tracked and sent behavioural ads?
在过去几周里，一场争论说明了此类精细信息对广告商的价值：广告商是否应该假定人们愿意被追踪并接收行为广告？
Unable to tell whether someone really objects to behavioural ads or whether they are sticking with Microsoft's default, some may ignore a DNT signal and press on anyway.
无法判断某人是否真的反对行为广告，还是只是沿用微软的默认设置，有些人可能会忽略DNT信号并继续进行广告投放。
Advertisers are obliged to offer behavioural ads.
广告商必须提供行为广告。
Psychologist and behavioural scientist Nicholas Epley oversaw a key study into self-enhancement and attractiveness.
心理学家和行为科学家尼古拉斯·埃普利主持了一项关于自我提升和吸引力的关键研究。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。