The noun 要素 (yàosù) means "essential element," "key factor," or "fundamental component." It is used to describe the critical parts needed for something to exist or function. For example, 生命的要素 means "the essential elements of life."
创新是成功的关键要素。
chuàngxīn shì chénggōng de guānjiàn yàosù.
Innovation is the key element of success.
时间、地点和人物是故事的三大要素。
shíjiān, dìdiǎn hé rénwù shì gùshi de sān dà yàosù.
Time, place, and characters are the three major elements of a story.
良好的沟通是团队合作的重要要素。
liánghǎo de gōutōng shì tuánduì hézuò de zhòngyào yàosù.
Good communication is an important element of teamwork.