交易成功的关键是对风险和回报有清晰的理解。
The key to trading success is to have a clear understanding of risk and reward.
Every observation brings us closer to answering fundamental questions about the cosmos.
可持续性不仅关乎技术,更关乎创造全新的生态系统。
Stepchildren are at greater risk because evolutionary pressures have shaped parental psychology to favor genetic offspring.
格瓦拉讽刺苏联官员