Demonstration expense
[经] 示范费, 展出费
🧩 词语组成解析
🗣️ 情景例句
Well, maybe, just maybe,
嗯， 或许 ，只是或许，
There is safety in numbers.
人多势众。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。