There are even economies of scale: “One trip to clean 10 coffee cups is much more efficient that 10 trips to clean one.”
甚至还有规模经济：“一次清理10个咖啡杯，比一次清理一个、去10次要有效率得多。”
2
A combined stochastic user equilibrium model for simultaneous prediction of trip distribution and trip assignment on large-scale networks is developed.
提出了适用于大规模网络的组合随机用户平衡模型，能够同时预测出行分布和交通分配。
3
When you're being shown pictures of a trip, you ask what the human scale is.