preiss：在这个行业中，我们的会议比较独特。
Preiss: The conference is broken up in a unique way in industry.
参加一些与你工作行业相关的会议，听一些相关的课程。
Book conferences that are relevant to the industry of your profession.
来自全国硝酸行业的代表50余人参加了会议。
More than 50 delegates of the nitrate industry from the nation attended the meeting.
来自全国硝酸行业的代表50余人参加了会议。
More than 50 delegates of the nitrate industry from the nation attended the meeting.
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