On sale
促销
Excuse me, madam. Are these toothbrushes on sale now?
请问,夫人,这些牙刷是在搞促销吗?
Yes, the sale will last for one day.
是的,促销时间只有一天。
They are really cheap. Em, can you tell me where I can buy some milk?
真是太便宜了。嗯,你能告诉我在哪里可以买到牛奶吗?
You can go upstairs.
您应该上楼去找。