感情若有波折，难免会影响到工作时的心情。失恋了，和关系好的同事说说，从同事那里得到的鼓励会改善你工作时的心情的。(1)mark: hi, jack, how have you been?马克：嗨!杰克，最近怎样?jack: not very well.杰克：不怎么样。mark: why? looks

they mainly trade with Japanese firms.他们主要和日本商行进行贸易。For the past five years, we have done a lot of trade with your company.在过去的五年中，我们与贵国进行了大量的贸易。Our t

A: Good morning, this is doctor Robert's office.早上好，这里是罗伯特医生的办公室。B: Good morning ，is Dr Robert available?早上好，请问罗伯特医生有空吗？A:I'm sorry, he is in a meetin