复数：wild cards
n.
an unpredictable factor
a playing card whose value can be determined by the person who holds it
Wild card
Wild card
Wild Card
Slot machine game with roaming wild card
The researcher's own therapy allegiances: A "wild card"in comparisons of treatment efficacy.
On the Perils of Financial Intermediaries Setting Security Prices: The Mutual Fund Wild Card Option
Wireless the wild card in M&As
GP fundholding: wild card or winning hand?
Getting Along Without Regulation Q: Testing the Standard View of Deposit- Rate Competition During the "Wild-Card Experience"
Valuation and Optimal Exercise of the Wild Card Option in the Treasury Bond Futures Market
