单词	it takes
释义	it takes 需要花费
随便看	elements of landscape mosaics elements of law elements of life elements of light variation elements of linguistic context elements of location elements of marketing elements of matrices elements of mental phenomena elements of metal elements of missing producing evidence elements of model building process elements of modern mathematics elements of news elements of news subject elements of optimization elements of orbit elements of platine group Elements of Political Economy elements of priduction elements of product design elements of production elements of productive forces elements of profit forms elements of psychology