When you ride in mountains, you can just put reTyre (a new kind of tyre) over your base tyres. It's just like how we put on different clothes depending on the weather.这里的how是什么意思啊,在我看来更像是无语义。
Unlike adults, children are normally not aware of the consequences of bad behaviour, and setting rules can help them realise how to behave in a socially acceptable way.