2. The problem with Director Tian's decision is that he has not considered whether the replacement arrangement can be completed in time, that is, whether the replacement arrangement has enough time and whether it will affect the original opening time of the conference.
3. If you are director Tian, considering that the suggestion of rearranging the venue is good, but there is not enough time at present, we will not rearrange it for the time being, and we will make this arrangement or arrangement next time on the same occasion.