laboring under the belief

laboring under the belief 翻译Some people,laboring under the belief that tourism serves as an engine of economic growth.其中的laboring under the belief.laboring放在这里是什么意思?固定用法么?什么用法? 这句话的labor some people ,laboring under the belief that tourism serves as an engine of economic growth,seem to ignore its negtive effects on environment. some people,laboring under the belief that tourism serves as an engine of economic growth,seem to ignore its negative effects on the environment.这句话怎么感觉怪怪的,是不是应该把that换成thing? the laboring people have in the course of great splendor.In the urban area and on the outskirts ,th under the under the under the under the under the under the under the Under The under the under the under the football is （ ） A in the table B under the desk on the fioor C on the floor under the deskD under the floor Your pen is __________.A.under the chair on the floor B.on the floor under the chair急