When he lost money on the investment, he decided to charge it to the game and move on.
Когда он потерял деньги на инвестиции, он решил записать это на счёт и двигаться дальше.
Definitions
To accept a loss, setback, or negative experience as a part of life or the cost of participating in a particular activity, often without holding a grudge or seeking repayment. It implies moving on and learning from the experience rather than dwelling on it.