B2 the act of putting money, effort, time, etc. into something to make a profit or get an advantage, or the money, effort, time, etc. used to do this投资（付诸金钱、努力、时间等以求得到利润或取得成就某事的有利条件）；投资物，投资额
If the factory closes, that will be a million pounds' worth of investment down the drain.
We are looking for exponential growth in our investment.
A mixture of selected funds is an optimum choice for future security and return on investment.
People are worried about inflation biting into their savings and investments.