When foods from different plant sources are eaten together, deficiency in one is compensated for by sufficiency in another.多种蔬果类食物一起吃的话，一种食物所缺乏的营养会由另一种富含该营养的食物予以补足。Our country has sufficiency of natural resources.我国有足够的自...
Complete secrecy surrounded the meeting.会议在绝对机密的环境中进行。Such secrecy breeds and encourages fear and suspicion...如此保密的做法滋生并加剧了人们的恐惧和疑虑。The secrecy about the President's condition had ceased to matter...总统的健康状况已经没有保密的必要...