Loading&unloading operation
[经] 装卸作业
🧩 词语组成解析
🗣️ 情景例句
A journey of a thousand miles begins with a single step.
千里之行，始于足下。
For a lost thing care nothing.
一事之失，不必介意。
Why? One difficulty is to construct the agreements.
为什么呢？困难之一是起草这些协议。