David usually has a sandwich in his office at lunchtime I'm waiting for an important telephone call from my boss in shanghai. He's talking to a customer right now帮忙把上面三个翻译成中文
问题描述：
David usually has a sandwich in his office at lunchtime I'm waiting for an important telephone call from my boss in shanghai. He's talking to a customer right now帮忙把上面三个翻译成中文
答
大卫午餐通常在办公室吃一个三明治
我在等我上海老板一个重要的电话
他正在与顾客交谈.