如果其中一方毁约，就赔偿2000美元。（翻译成英文）

Either of you breaks the contract should compensate for two thousand dollars.

If among them a square violate agreement, compensate 2000 dollar dollars.

The contract-breaker will be fined $2,000。

Any side who breach the contract in future,then it should make compensation accordingly, which is 2000 US dollars.