【中文版】

国库定存是指中国人民银行为调节商业银行的可运用资金量，向商业银行、信用社等吸收存款的银行业金融机构（以下统称存款类金融机构）发行的特别短期政府债券。

国库定存分为1个月、3个月和6个月三期，每期发行利率分别招标确定。

国库定存的主要作用是调节市场货币供应量。通过定期发行国库定存，可以增加市场上的资金供给量，从而刺激经济增长。

国库定存的优点是利率较为市场化，且比同期定期存款利率高。同时，由于其期限较短，因此风险也相对较小。

然而，国库定存也存在一些不足之处。首先，其流动性相对较差，投资者在购买后需要在一定时间内持有到期才能获得本息收益。其次，国库定存的利率相对较低，因此对于追求高收益的投资者来说可能不太适合。

总的来说，国库定存是一种相对较为安全的投资品种，适合于那些追求稳健收益的投资者。然而，在选择投资国库定存时，投资者也需要注意其流动性差和利率较低的缺点，并综合考虑自身的风险承受能力和投资目标进行投资决策。

【英文版】

What is treasury deposit?

Treasury deposit is a special short-term government bond issued by the People's Bank of China to adjust the available funds of commercial banks and absorb deposits from banking institutions such as commercial banks and credit cooperatives.

Treasury deposit is divided into three periods: 1 month, 3 months and 6 months, with the interest rate of each period being determined through bidding.

The main function of treasury deposit is to adjust the money supply in the market. By regularly issuing treasury deposit, the supply of funds in the market can be increased, thereby stimulating economic growth.

The advantages of treasury deposit are that the interest rate is relatively market-oriented and higher than that of the same period time deposit. At the same time, due to its short duration, the risk is relatively small.

However, treasury deposit also has some shortcomings. Firstly, its liquidity is relatively poor. Investors need to hold it until the maturity date to obtain the principal and interest income after purchasing. Secondly, the interest rate of treasury deposit is relatively low, so it may not be suitable for investors who pursue high returns.

Overall, treasury deposit is a relatively safe investment option suitable for investors who pursue stable returns. However, when choosing to invest in treasury deposit, investors also need to pay attention to its shortcomings such as poor liquidity and low interest rate, and make investment decisions based on their own risk tolerance and investment goals.