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pandemic – n. a disease that spreads across countries and usually affects large numbers of people
opportunity – n. a chance; a series of events that makes it possible to do something
virtual – adj. existing or done on computers or on the Internet
crazy – adj. wild and uncontrolled
cycle – n. a series of events that are repeated in the same order
volume – n. a level or power of sound
review – v. to study or examine
tolerate – v. to let or permit something to exist, happen, or be done
