他把刚买的水果拿到公平秤上一称，才发现摊位上的鬼秤少算了重量。
He weighed the fruit he had just bought on a fair scale and only then discovered that the stall's rigged scale had underreported its weight.
He weighed the fruit he had just bought on a fair scale and only then discovered that the stall's rigged scale had underreported its weight.