词汇	Look at this postcard
释义	Look at this postcard. 看这张明信片。
随便看	information decision information decision-making information decision-making system information decision system information decoding Information decomposition information decoupling point Information default information deficiency information deficit Information definition information definition requirements document information degree information delay information delivering information delivery information delivery approach Information delivery model information delivery network information delivery probability information delivery system information demand information demand characteristics information demand of user information demand of users