With sufficient preparation, a meeting with four to six stakeholders should last approximately 60 minutes.

做好充分的准备后，与四至六名风险承担者举行的会议应至少持续约60分钟。

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To begin with, you must work hard at your lessons and be fully prepared before the exam. Without sufficient preparation, you can hardly expect to answer all the questions correctly.

首先，你必须努力学习功课，并在考试前做好充分的准备。没有充分的准备，很难正确回答所有的问题。

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Conclusions Only sufficient preoperative preparation and careful postoperative observation together with sophisticated medical technique can ensure a successful operation.

结论只有在术充分准备，术后严密观察勤于护理，再配合医生高超的医疗技术，才是手术成功的保证。

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