In addition, ads earn their position based on performance (clickthrough rate, CTR) and CPC, so with a strong performance history, you could end up paying less to maintain the position of your ads.

• 另外，广告词所在位置通过其绩效（有效点击率）和点击费来排列。因此，如果有优秀的业绩记录，你就可以付更少的钱来维持一个更好的位置。