uncovered call การใช้

An exaggeration uncovered calls into question everything else a candidate says.
"The physical evidence now being uncovered calls into question Dr . Sheppard's version of events,"
Still, a few weeks later the Dutch bourse clamped down on speculators who held short-positions in the stock and outright banned the practice of writing uncovered call options on the company's shares.
But the discrepancies that we have uncovered call for an independent, scientific investigation by experts who can determine such things as the age of the two different inks on the baptismal certificate.