highway transport的用法和样例：
例句
- Air transport is more expensive than road transport.
航空运输比公路运输要贵。 - Harvested cane is loaded into large bins in the field, which are generally carried on motor trucks or tractor-drawn trailers to rail sidings or road transport pads.
收割的甘蔗被放置于蔗田中央的巨大箱柜中，然后由卡车或大型拖车运至铁路沿线或公路运输站。
