AliExpress 标题规则 是什么？

An exporter sells goods to a customer abroad on CIF and FCA terms. Who is responsible for the freight charges respectively（） A: seller, seller B: seller, buyer C: buyer, seller D: buyer, buyer

Producer surplus mean A: the amount a seller is paid for a good minus the seller’s cost B: a selle's willingness to sell for a good minus the seller’s cost C: the amount a seller is paid for a good plus the seller’s cost D: a selle's willingness to sell for a good plus the seller’s cost

速卖通买家页面网址（） A: www.aliexpress.com B: www.alibaba.com C: http://daxue.aliexpress.com/ D: seller.aliexpress.com

速卖通买家页面网址（） A: www.alibabcom B: seller.aliexpress.com C: http://daxue.aliexpress.com/ D: www.aliexpress.com

速卖通买家页面网址（）。 A: http：//daxualiexpress.com B: www.aliexpress.como C: www.alibabcomo D: seller.aliexpress.com

速卖通买家页面网址（） A: www.aliexpress.com B: seller.aliexpress.com C: www.alibaba.com D: http：//daxue.aliexpress.com

In general trades, there are buyer and seller, and the transaction is simple and convenient. Yet in compensation the buyer and the seller play the double roles as both buyer and seller in the meantime.

速卖通买家页面网址是（ ）。 A: www.alibaba.com B: http://daxue.aliexpress.com C: www.aliexpress.com D: seller.aliexpress.com

A tax placed on a product causes the price the buyer pays A: . and the price the seller receives to be higher. B: . and the price the seller receives to be lower. C: . to be lower and the price the seller receives to be higher. D: . to be higher and the price the seller receives to be lower.