After its invention, it became an almost indispensable part of most households withinthespaceof just a few years.
它在被发明后的短短几年时间里几乎成为了大多数家庭不可或缺的一部分。
3
Then, about 7000 B.C., withinthespaceof a few generations, they switched abruptly to herding domesticated goats and sheep and to growing einkorn, pulses, and other cereal grasses.