opportunity英 [?p?’tju?n?t?] 美 [?ɑp??tun?ti, -?tju-] n.适当的时机afford怎么读；有利的场合机会，条件就业(或晋升、进步等)的良机[委婉语]【商业】问题短语:afford on opportunity 给予机会a golden opportunity 绝好的机会，千载难逢的机会at the first opportunity 一有机会catch (或 seize, take) opportunity by the forelock 抓住时机let an opportunity slip 坐失良机Opportunity knocks (at the door)only once. [谚语]机不可失，时不再来。
buy 的过去式是bought ,可以读作 “博特”。 buy 英[ba?] 美[ba?] vt. 购买，购得; n. 交易，买卖; 便宜货; vt. 够支付; 买通; 收买; 贿赂; [例句]He could not afford to buy a house 他买不起房子。 [其他] 第三人称单数：buys 现在分词：buying 过去式：bought 过去分词：bought
