秘密买卖
secret───n.秘密，机密；秘诀；奥秘；默祷；n.(Secret)（法）塞克雷（人名）；adj.秘密的，机密的；不公开的；善于掩饰自己的
secret dreams───秘密的梦
secret cinema───秘密电影院
secret treboll───秘密工作
secret past───秘密的过去
secret recipe───n.秘方，秘密配方; 禁方；[医]秘方；秘密配方
secret tree───神秘树
a secret───一个秘密（电影名，ASecret）
secret lair───莱尔秘密
This may seem obvious, but it's the biggest secret to getting top-notch goods at bargain-basement prices: the more expensive parts of town will have better items for sale.───这个道理浅显易懂，不过确实是用最低的价格买到顶好货品的最大秘密：城里越贵的地方越有好东西打折卖。
Until the day before the sale, the identity of the consignor, described in the catalogue as having a "distinguished private collection", had been a well-kept secret.───拍卖目录上把这幅画的委托人描述成一位有着“令人瞩目的个人收藏”的藏家。这位委托人的身份保密的很好，直到拍卖的前一天都无人知晓。
Our secret was to bet, well ahead of its time, the quality and flexibility of integrated production with a first class customers, able to cover all needs, from design to post-sale.───我们的秘密是赌，超越时代的好，质量和一体化生产的灵活性与一流的客户，能够覆盖所有的需求，从设计到售后。