為替投機

かわせとうき

noun

•

currency speculation

為	do, change, make, benefit, welfare, be of use, reach to, try, practice, cost, serve as, good, advantage, as a result of
替	exchange, spare, substitute, per-
投	throw, discard, abandon, launch into, join, invest in, hurl, give up, sell at a loss
機	loom, mechanism, machine, airplane, opportunity, potency, efficacy, occasion