1. He wants you to know that anyone who chooses the path he has chosen is sure to have periodic holidays in jail.
    他想让你知道，任何人如果选择了他自己选择的道路，都必然定期要在监狱里度过一段假期的。

2. Periodic rotation of tyres will result in longer tyre life.
    轮胎定期换位能延长其使用寿命。