8个数字组合有多少组简介：It takes half a year to sail from Daming to Europe, and a year to get back and forth. It also takes a certain amount of time to build, so the two parties set the delivery time for August next year.
It takes half a year to sail from Daming to Europe, and a year to get back and forth. It also takes a certain amount of time to build, so the two parties set the delivery time for August next year.
