Idiom of the Day
double-check (something)
to check something again to be sure that it is correct
I double-checked the price of the airplane ticket.
Fact
The symbols used on playing cards were supposed to represent the four classes of men: hearts represented the clergy; spades (from the Spanish word espada, or sword) represented the warriors; clubs were originally leaves and represented the peasants; and citizens and merchants were recognized in the diamonds.
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