Ask several relatives or friends who live outside your immediate area (approximately 100 miles away) to act as a clearing house for information about you and your family after a disaster.

要求不住在您居住区域以内的几个亲戚朋友(大约外100英哩之外)做为大灾之后你和家人联系的信息交换中心。

youdao

To act as a clearing-house to facilitate information exchange in the field of traditional medicine.

提供传统医学领域信息交流的工作平台。

youdao

Any country wishing to export GMOs has to notify the clearing-house, so the recipient country can obtain the information it needs to decide the case.

BBC: Doubts beset biosafety treaty

The protocol will also establish a biosafety clearing-house, in the Canadian city of Montreal, as a one-stop shop for information on GMOs.

BBC: Doubts beset biosafety treaty