This is the 1838th most frequent Japanese word.
投資
Investment.
In this sentence, the word '投資' refers to the act of allocating resources, in this case money, into real estate properties with the expectation of future returns.
私は不動産に投資しています。
I am investing in real estate.
Here, '投資' is used to describe the act of providing funds or other resources to support someone's business venture, anticipating growth or profit.
彼のビジネスに投資することに決めました。
I decided to invest in his business.
In this context, '投資' metaphorically represents dedicating personal resources, such as time or effort, towards self-improvement or personal development.