Labrobite
钙长石
🗣️ 情景例句
Can I help you?
我能帮你忙吗？
I hope I'm not bothering you.
我希望我没有打扰你。
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。