All sales clerks answer to the store manager.

所有售货员都向商店经理负责。

《牛津词典》

Sales clerks need to deal with unreasonable customers all the time.

销售店员时常需要应付不可理喻的客人。

youdao

Sales clerks are trained to make the customer feel at ease and not pressured to make a purchase.

售货员通常都经过了训练，他们能够让顾客感到很自在，而不会感到是被迫购物。

youdao

In this way a lot of interactions can be tested at once (maybe the commissions only motivate uniformed sales clerks?).

FORBES: Shelf Smarts

The customer gets what he wants without consuming the costly labor of knowledgeable sales clerks, or wasting his own equally valuable time.

FORBES: Do You Want Nails With That?

The rise of China's nouveau riche has created an economic chasm between luxury-store sales clerks and customers, which can lead to awkward situations, says Andrea Bonardi, La Perla's managing director for emerging markets.

WSJ: China's Fickle Talent Pool