invest ·verb (TIME/ENERGY, ETC.)
Definition: to use a lot of time, effort, or emotions because you want to succeed Level: B2
她投入了大量的时间和精力来完成她的硕士学位。
She ___invested significant time and energy in completing her master's degree.
在定期锻炼上投入精力可以带来更好的整体健康。
___Investing effort in regular exercise can lead to better overall health.
他们为策划婚礼投入了很多情感，以使其完美。
They ___invested a lot of emotion into planning their wedding to make it perfect.