每次卖出产品时，她都能听到脑海中响起收银机的叮当声。

Every time she makes a sale, she hears ___ka-ching in her mind.

看到销售额飙升，老板兴奋地喊道：'发财啦！'

When the sales skyrocketed, the boss shouted excitedly, "___Ka-ching!"