Moreover , infrastructure is much more than rails , roads , and ports .
此外，基础设施不仅仅指铁路、公路和港口。
Sure , you kept your distance and washed your hands frequently , but did you think to wipe down the stair rails and doorknobs ?
当然，你肯定会和室友保持一定距离，而且会勤洗手，但是你想过去擦擦楼梯扶手和门把手没？
A more reliable living could be made , in the old days , by urchins diving the waters or strolling the sands to pick up pens and watches dropped through the boards by promenaders , or coins tossed through the rails .
No helmets , no safety rails , no child-friendly synthetic surfaces - little sign of an adult ( with or without a fluorescent bib and a first aid kit ) .
America 's civil engineers routinely give its transport structures poor marks , rating roads , rails and bridges as deficient or functionally obsolete .
