One was to charge per click rather than per view.

一种是根据AdWords广告的点击量收费，而不是流览量。

youdao

Banners have traditionally been part of the pay-per-impression model (best for branding), while text ads are pay-per-click (best for transactions).

从传统上说，广告条通常属于按显示付费(pay - per - impression)的模式(最适合于品牌广告)，而文本广告是按点击付费的(pay - per - click)(最适合于交易型广告)。

youdao

Compensation may be made based on a certain value for each visit (Pay per click), registrant (Pay per lead), or a commission for each customer or sale (Pay per sale), or any combination of the three.

补偿可根据一定的价值，每次访问(每次点击付费)，注册(付费铅)，或一个委员会，为每个客户或销售(销售付费)，或任何组合的三个。

youdao

And think about this: At present ads on Facebook are sold on an either cost-per-thousand or cost-per-click basis.

FORBES

Revenue, based on cost-per-impression or cost-per-click metrics, is split between Google and developers.

FORBES: Magazine Article

By 1997 the two camps were stumping for the new value gospel, based on price-per-eyeball, price-per-click, price-per-lifetime-customer-revenue, and EBE (earnings before expenses).

FORBES: Slaughter Of Innocents