By the time he was 14 or 15, he was working at factory jobs for 500-600 riel a month (less than 0.25 USD).
By age 14 or 15, he was working at factory jobs for very small amounts of money.
By age 14 or 15, he was working at factory jobs for very small amounts of money.
Reescribe esta oración para simplificar: By the time he was 14 or 15, he was working at factory jobs for 500-600 riel a month (less than 0.25 USD). Producción: