The better that real prices correlate with the unknown option price, the more confidently you can take on any level of risk.

实际价格与未知的期权价格联系得越好，参与者便越有信心去承担任何水平的风险。

youdao

And OPTARG will contain the unknown option.

而OPTARG将包含该未知选项。

youdao

If you choose the easier option that doesn't imply risk, challenge or something unknown, you choose the past.

如果你选择更加简单的选项，可以没有冒险、挑战或者未知事物，那你选择的就是过去。

youdao

That allows RSA to give banks and other clients the option of excluding questions based on data that has been retrieved recently by some unknown person.

FORBES: How I Failed My Bank Security Test--And A Thief Might Pass