问答题 However, members may maintain or introduce measures which result in higher standards if there is scientific justification or as a conse quence of consistent risk decisions based on an appropriate risk assessment.

【正确答案】但是，如果有科学的理由或者经适当风险评估符合要求的，各成员国可以保持或引入导致更高标准的措施。
【答案解析】