风险；冒险
4.You can take a gamble on getting a higher rate of interest by putting it into high-risk shares.
5.Something, such as money or cargo, at hazard in a risky enterprise
6.He believed in taking risks, the more spectacular, the better, and he invested in schemes which should have provided an unusually large profit.
7.Complexity in the battlespace demands that we shift focus from attrition-based mass to purpose-based distribution, from apocalyptic, episodic fires to high-fidelity, continuous sensors and from deliberate risk aversion to informed risk-taking.
