symmetry: implies a median line or axis on either side of which the details correspond in size, form, and placement: the ~ of a Greek temple.    （correspond相对应、相一致相吻合applies to dissimilar elements that match, complement or answer to each other不同事物间相互匹配补充呼应，如fulfillment seldom corresponds to anticipations成就很少能符合期望，即一致）      placement放置      本例希腊神庙的对称结构，又如the symmetry of the human body人体的对称


proportion: implies a grace or beauty that stems from the measured fitness of every detail and the consequent perfection of the whole: a statue of perfect ~.    如词组in/out of proportion比例协调恰如其分/比例不协调、不分轻重的，如the punishment was out of all proportion to the crime罚不当罪      （measured fitness经过仔细测量，因此比例合适；measured表示慢而稳、匀，或语言行为有分寸slow, careful and controlled，如a measured response/step有分寸的回应/均匀的步伐）      如果不好理解，请死记proportion比例协调表示有measured fitness


balance: is sometimes equivalent to symmetry but distinctively suggests equality of values and a massing of different things such as light and shade or contrasting colors that offset each other: a painting in which light and dark were in perfect ~.     balance作名词还表示 1、天平scale  2、账户余额，如you must maintain a minimum balance of one yuan in your bank account账户余额至少1元  3、本义平衡，如we need to achieve/create/strike a balance between work and family应在工作和家庭间取得平衡[to spend less time at work and more time with family少花些时间在工作，多花些时间陪家人]       offset抵消to cancel or reduce the effect of one thing by another


harmony: suggests the pleasing aesthetic impression produced by something that manifests symmetry, proportion, or balance, singly or in combination: achieved ~ through the imaginative use of color.        aesthetics美学是哲学的一个分支，研究审美、艺术、和品味a branch of philosophy concerned with the study of beauty, art, and taste


symmetry对称: 指中轴线两侧一致，proportion协调: 指仔细测量、比例合适、美丽优雅，balance平衡: 表示不同事物分量相等、彼此抵消，避免倾斜跌倒，harmony和谐: 指对称协调平衡给人的美学感受


记忆方法: 1）首字母SPBH想成备受好评<==美观协调

         2) 练习一下

         3）协调的意思是恰当关联从而使整体有美感的一种特质mean a quality in design that gives aesthetic pleasure and which depends on the proper relating of parts to each other and to the effect of the whole.