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雅思阅读——联邦金牌阅读校长讲解Afford


金牌校长 Steven 讲解 Afford READING EXERCISE
William Henry Perkin
Historically, textile dyes were made with the help of his father and from such natural sources as plants and animal excretions. Some of these, such as the glandular mucus of snails, were difficult to obtain and outrageously expensive. Indeed, the purple color extracted from a snail was once so costly that in society at the time only the rich could afford it. Further, natural dyes tended to be muddy in hue and fade quickly. lt was against this backdrop Perkin's discovery was made.

SYNONYMS
afford, give, provide, supply 这四个词都有“给”“供给”“提供”的意思。其区别是: afford:指为一定的目的而“给”“提供”所需要的东西。 give:指无需偿还地把金钱、物品、时间、麻烦等有形或无形的东西“送给”“授予”“供给” 某人。 provide:主要指为某人、某物或某事“提供”“供应”某物品,尤指生活必需品。 supply:指用物“供给”“供应”或“提供”给国家、群众、工厂、城市、市场等,以部队为 对象时,往往只供给生活必需品,而不指武器。 afford, give afford 和 give 都有“提供”的意思,很多情况下可以互换,但当主语是人时须用 give,特 别在口语中。 afford, buy afford 和 buy 都有“买”的意思, 但 afford 侧重“有无经济能力买”, 而 buy 则侧重“购买的行为”, 表示“我买不起”。可以说 I can't afford,但不可说 I can't buy。因为后者的意思是“即使有钱 也不准买”。


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