Quantitaes
数量表示
🗣️ 情景例句
What channel?
哪个频道？
I'm glad to meet you.
幸会。高兴见到你。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。