中文：

风险度是指某一投资或决策所带来的潜在损失或不利后果的大小。风险度是一个相对概念，通常用于比较不同投资或决策的风险程度。

在投资领域中，风险度通常被用来衡量投资组合或单一资产的不确定性。高风险度意味着投资面临较大的不确定性，可能会导致较大的损失或达不到预期的收益；而低风险度则意味着投资较为稳定，能够获得较为可靠的收益。

风险度的计算通常基于历史数据和统计分析，常用的指标包括标准差、贝塔系数、夏普比率等。这些指标可以用来衡量资产价格的波动性、市场风险和系统性风险等。

投资者需要根据自己的风险承受能力和投资目标来选择相应的投资策略和资产配置。高风险投资者通常会选择具有较高风险度的投资品种，以追求更高的收益；而低风险投资者则更注重稳健性和安全性，选择风险度较低的投资品种。

总之，风险度是投资决策中重要的考量因素之一。投资者需要充分了解不同投资品种的风险度及其对应的收益预期，以便做出明智的投资决策。

英文：

Risk level refers to the potential loss or adverse consequences of an investment or decision-making. It is a relative concept commonly used to compare the risk levels of different investments or decisions.

In the investment field, risk level is typically used to measure the uncertainty of an investment portfolio or a single asset. A high risk level means that the investment faces greater uncertainty, which may result in significant losses or failure to achieve expected returns; while a low risk level indicates that the investment is relatively stable and able to obtain reliable returns.

The calculation of risk level is usually based on historical data and statistical analysis, with commonly used indicators including standard deviation, beta coefficient, Sharpe ratio, etc. These indicators can measure factors such as asset price volatility, market risk, and systematic risk.

Investors need to choose appropriate investment strategies and asset allocations based on their risk tolerance and investment goals. High-risk investors typically choose investment varieties with higher risk levels in pursuit of higher returns; while low-risk investors focus more on stability and safety, choosing lower-risk investment varieties.

In summary, risk level is one of the important considerations in investment decision-making. Investors need to fully understand the risk levels of different investment varieties and their corresponding expected returns in order to make informed investment decisions.