keys ['ki:z]

例句:

• One of the keys to successful business is careful planning.
  打造成功企业的关键之一就是要精心策划。
  
• Diet and relaxation are two important keys to good health.
  限制饮食和放松身心是保持健康的两个要诀。
  
• When I got canned, I took these keys as souvenirs.
  我被开除后，就拿了这些钥匙作为纪念。
  
• His screen and keys will be larger than hers.
  来自SA
• One of the keys to achieving empathy is feedback.
  来自WSJ
• Do not send back the keys and walk away.
  来自THETIMES