词汇	a black swan
释义	a black swan 澳大利亚产黑天鹅; 珍品
随便看	amount of change scale amount-of-change scale amount of chemistry amount of chipping amount of cigarette smoking amount of circulating funds used amount of circulating funds usedby enterprises amount of circulating funds used by enterprises amount of cloud amount of clouds amount of coal-derived gas amount of coal formed gass amount of coating Amount of cobalt supported amount of cocoon crop amount of cold-pull amount of commission amount of commodities available amount of commodity labor amount of compensation amount of compression amount of computation amount of consideration amount of consumer goods an individual needs amount of consumption