Anything particular you want to know? Let me hear about it.
有什么特别问题你需要了解吗?说来让我听听。
Is it convenient to you if I come at 6 p.m.?
如果我下午6点来拜访你,方便吗?
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.