Mdc
abbr. maintenance data collection 维护数据收集; more developed country 更多发达国家
🗣️ 情景例句
They all work hard, without exception.
他们个个努力工作，无一例外。
There is no royal road to learning.
治学无坦途。
We were, however, worried about our nearest neighbors, whose farm was low lying and who were newcomers to the district.
不过，我们很为我们的近邻担心。他们的农场地势低洼，而且他们又新来乍到。