Some parents pull their children out of school because of expensive fieldtrips.
一些家长因为昂贵的实地考察旅行而把他们的孩子拉出学校。
2
The couple helped Hou's team, from research to fieldtrips, testing production processes and so on.
从研究阶段到实地考察、检验生产加工过程等，这对夫妇为侯的团队提供了很多帮助。
3
Since 2010, the Chinese government has been organizing technology exchanges, training, fieldtrips and other activities for the agricultural technology talents to better understand the situations of each area.