研究你的话题。重要的是要花足够的时间收集和确认信息，以便有信心和知识说

研究你的话题。重要的是要花足够的时间收集和确认信息，以便有信心和知识说话。

Results (English) 1:

Research your topic. It is important to spend enough time to collect and confirm information in order to speak with confidence and knowledge.

Results (English) 2:

Study your topic. It is important to spend enough time collecting and confirming information in order to speak with confidence and knowledge.

Results (English) 3:

Study your topic. It is important to spend enough time collecting and confirming information so that you can speak with confidence and knowledge.