thus stimulated the commercialization of agriculture along their routes. 根据这句话来的吧、、
我只觉得TPO我听力都很崩溃。。。o(︶︿︶)o 唉
-- by 会员 Tao925 (2012/1/30 16:44:36)
啊!!我知道了!原来我做的那个TPO原文有点问题,没有stimulated the commercialization.... 我的原来是 This roads made possible reduction in transportation cost and thus agriculture along their roads. 多谢解答啦!!!