一开始，他们试图复制一些经典的实验，比如果酱研究和与此类似的高级巧克力实验。
They began by trying to replicate some classic experiments - such as the jam study, and a similar one with luxury chocolates.
这三种做试验的巧克力都很昂贵，购自专门的“巧克力糖果吧”制作的一批高级巧克力。
The three products tested were of increasingly more expensive offerings from a typical "chocolate candy bar" to a block of "higher grade" chocolate.
一项研究表明，每周食用一两块高级巧克力，可使中老年妇女患上心脏衰竭的几率降低近三分之一。
One or two servings of good-quality chocolate a week reduced the risk of middle-aged and elderly women developing the condition by almost a third, a study found.
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