Danks
煤页岩, 黑色碳质页岩
🗣️ 情景例句
My mistake. it won't happen again.
是我的错。 不会再发生类似的事情了。
Please note that all our prices are quoted on CIF basis. This is our general practice, which we believe will be accepted by you.
请注意我方所报的都是CIF 价，这是我方一贯作法，希望你方能接受。
What's up?
怎么了？