vital factor

• 重大因素

vital factor的用法和样例：

例句

1. To my mind his presence is an important factor in this matter.
   照我看来，他的在场是这件事中的一重大因素。
2. Clearly determined rewards for participation in your mastermind alliance are an important factor in its harmony.
   确定团员的报酬，是维持和谐的一项重大因素。