According to the dialogues learned today, act out 2 dialogues with your partner （四人中的两人一组）on（1）talking about Processing Trade (洽谈加工贸易)，including responsibility, restrictions, expenses, processing charges, size of order, delivery period of time, etc.;（2）talking about Consignment Trade（洽谈寄售贸易）;（3）upload the videos of your dialogues online.