This work adds to the idea of a general fitnessfactor, f, that is similar in concept to g—and of which g is one manifestation.
这次的研究让一个大体的健康因素f(与g相类似的概念)的想法更加成熟——而且g只是对f的一种表现。
2
Physical activity is an important factor in maintaining fitness.
体育活动是保持健康的一个重要因素。
《柯林斯英汉双解大词典》
3
Some people might argue physical fitness wins the day for the players and teams, whereas, others believe a key factor in any sports activity is mental attitude.