用英语翻译：我花了20元人民币买了个钟

It took me 20 yuan to buy a clock.
I bought a clock for 20 yuan.
I spent 20 yuan buying a clock.
I spent 20 yuan on a clock.
I spent 20 yuan in buying a clock.
I paid 20 yuan for a clock.
A clock cost me 20 yuan.
I expended 20 yuan on a clock.

It took me 20yuan to buy a clock.
I bought a clock.It cost 20yuan.
I spent 20yuan buying a clock.
不好意思，只会这三种表达！

I spent 20 yuan on the clock.
I spent 20 yuan buying this clock.
I paid 20 yuan for the clock.
This clock cost me 20 yuan.
I bought a clock at the price of 20 yuan.
I bought a clock.Its price was 20 yuan,

It takes me 20 yuan to buy a clock.
I spent 20 yuan on buying a clock.
I spent 20 yuan for a clock.
I paid 20 yuan for a clock.
I bought a clock which cost me 20 yuan.
I bought a clock with 20 yuan.

I spent 20 yuan on a clock.

It cost(cost的过去式是其原形) me 20 RMB to buy a clock.