為了讓展覽順利進行，我們必須清楚的知道如何控管現場，讓所有的與會來賓、

為了讓展覽順利進行，我們必須清楚的知道如何控管現場，讓所有的與會來賓、員工留下深刻印象，如何避免意外的發生，

結果 (英文) 1:

In order to make the display go smoothly, we must know how to control the scene, were impressed by all participants, staff, how to avoid the occurrence of accidents,

結果 (英文) 2:

To make the exhibition smoothly, we must clearly know how to control the scene, so that all the invited guests, the staff was impressed, how to avoid accidents,

結果 (英文) 3:

In order to make a smooth and successful exhibition, we must clearly know how to control the scene, let all the guests and staff left a deep impression, and how to avoid accidents.