Do you have a nice day, sir? 你今天过得愉快吗，先生?

Not quite. I've lost my camera. 不太好，我遗失了相机。

Someone found it in the corridor this morning. It could be the one that Mrs. Baker lost. 有人今早在楼道里捡到一个，很可能是Baker太太丢的那个。

What style is it? 什么样式?

We will contact you if it is located. 如果找到了，我们会与您联络。

We've already looked for it and haven't found it. 我们巳经找遍了，可没找到。