Csma
载波监听多路访问
🗣️ 情景例句
How much did you estimate this job is going to cost us?
你估计这工作要花我们多少钱？
Never neglect an opportunity for improvement.
抓住大好时机，切莫等闲错过。
I'm planning to start a school, so I'm trying to save as much money as possible.
我计划开办一所学校，因此我在设法尽可能地多攒钱。