The CDC said that in order to conduct a valid study that releases results quickly, in the public interest, they cannot investigate every FEMA trailer or mobile home, or every child living in one.

• 课程发展议会主席表示，为了进行有效的研究成果发布迅速，在公众利益，他们不能够调查每紧急拖车或移动房屋，或者每个孩子都生活在一个。