at one's convenience

常见例句

At least one reasonbehind the success of Tesco's convenience stores is public transport.
至少樂購便利店成功的一個背景因素是公共交通。
At one time give convenience of operator and depress due to equipment's drainage shatter be at the bottom of losing.
同時給運行值班員操作帶來方便和降低因再生設備損壞時所引起的損失。
The convenience store is one kind of commercial retail trade which the 20th century 70's appear, at present and so on the developed country already was mature in America and Japan.
便利店是20世紀70年代出現的一種商業零售業，目前在美日等發達國家已經成熟。