on the rails的用法和樣例：
例句
用作副詞 (adv.)
- Without strict quality management and control, no system and project can be carried out on the rails, even generate bad out comings of the project.
沒有嚴格的質量管理與控制，任何系統和項目都無法正常進行，甚至對整個項目造成不良後果。 - Many antihistamines can be bought over-the-counter, but some, eg fexofenadine, are available on prescription only.
很多人選擇新的抗組胺類葯，原因在於新葯每天只需服用一次，而且副作用較少，可以正常進行日常的各項活動。
辭彙搭配
- keep on the rails 遵守社會法律和習俗...
