1. What are you up to?你正在做什么?2. In the middle of something?你正在忙吗?3. Maybe I’m going out on a limb, but I think we still have to invest it.
position /pə'ziʃn/ n. 位置，职位，职务。predecessor /'pri:disesə/ n. 前任，原有的事物。premise /'premis/ n. 前提，假设。prescription /pri'skripʃn/ n. 处方。preservation /ˌprezə'veiʃn/ n. 保护，防护。prestige /pre'sti:ʒ/ n. 威信，威望。priority /prai'ɒrəti/ n. 优先。prospect /'prɒspekt/ n. 前景，可能性。
