No clear-cut distinction can be drawn between profe ional and amateurs in science: exceptio can be found to any rule.
No clear-cut distinction can be drawn between profe ional and amateurs in science: exceptio can be found to any rule.
科学领域的专业人员和业余爱好者之间划不出泾渭分明的界线：因为任何规则都有例外。