He stressed that any one person's fitness levels depend on a complex mix of factors, including genetics, exercise habits, body composition and overall health.
他强调道，任何一个人的健康水平取决于多方面因素的影响，包括遗传、锻炼习惯、身体成分及整体健康状况。
2
Other factors impacting a planet's climate and suitability for life include its star's age, composition and the size and location of sibling planets in the system.
其他影响行星的气候和适合生命的稳定性的就是它自身的年龄，构成，尺寸以及所在体系邻近星星的位置。
3
In placing visual elements for effective composition, one must assess many factors including color, dominance, size and balance together with proportion.