1. If you keep anything long enough, you can throw it away.
2. If you throw anything away, you will need it as soon as it is no longer accessible.
2. If you throw anything away, you will need it as soon as it is no longer accessible.
1. それを十分長く持っていたならそれを捨てて良い
2. それを捨てて、すでに取り返すことのできない状況になるとすぐにそれが必要になる
リチャードの所有に関する補足的な規則