If you need that money for a downpayment in two years, it better be in a deposit insured account hoping that it has a decent return or it's a two-year bond that is getting a decent return.
如果你需要这笔钱来支付两年后的首付,最好是存入一个存款保险账户, 希望它有可观的回报, 或者它是一份获得可观回报的两年期债券。