未成年者と成人の線引き（英検英作文3-7 p.50[035])

The details of some crimes show that minors can be capable of making adult decisions. Countries have specific age numbers to divide children from adults, but in reality these numbers should vary for each person. Some children develop more quickly than others. This means that sometimes a 16-year-old “child” has the mental capacity of a 20-year-old “adult.”