invest

• 动词，指投入金钱、时间、精力或资源，以期获得回报或收益；也可引申为投入心血、信任等抽象事物。

A verb used to indicate the act of putting money, effort, or resources into something with the expectation of achieving a profit or benefit.

1. Financial investmentB1formalbusiness

   To put money into something (like stocks, property, or a business) with the expectation of making a profit.

   投资

   • She decided to invest in technology stocks.
   • He invested a large sum of money in real estate.
   • Many people invest in mutual funds for retirement.

   同义词bankrollbuy intocapitalizefinancefundlay outspeculateventure

   反义词disinvestdivestliquidate

2. Time or effortB1formal

   To devote time, energy, or effort to something in order to achieve a benefit.

   投入

   • She invested a lot of time in learning Spanish.
   • He invested his energy into building a successful career.
   • They invested years of hard work into the project.

   同义词commitcontributededicatedevoteexpendput inspend

   反义词idleignoreneglectsquanderwaste

3. Emotional investmentB2informal

   To become emotionally involved or committed to a person, idea, or cause.

   投入（情感）

   • She invested her heart in the relationship.
   • He invested deeply in the community project.
   • They invested emotionally in the outcome of the election.

   同义词commitdevoteengageinvolvepledge

   反义词detachdisengagewithdraw