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。
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One secret to their longevity is their compartmentalized vascular system, which allows parts of the tree to die while other portions thrive.
Frankenstein, driven by an insatiable desire for knowledge, discovers the secret of animating lifeless matterand by assembling body parts he realizes his dream of creating life.