他介绍了活动的悥义、主要内容、并特别指出，本次博览会不是短暂的两天的活动就结束了，而是一个开始。

Mr. Ma introduced the significance of the activities, the main content, and specifically pointed out that the Expo is not just a short two-day event but it is a beginning.

他介绍了活动的悥义、主要内容、并特别指出，本次博览会不是短暂的两天的活动就结束了，而是一个开始。

Mr. Ma introduced the significance of the activities, the main content, and specifically pointed out that the Expo is not just a short two-day event but it is a beginning.