斑块从良性变成恶性肯定有很多原因，但是其中一个肯定是和斑块中的死亡细胞有关的，后者也被研究者们称为坏死核心。
There could be many reasons why plaques turn from benign to dangerous, but one of these is definitely linked to the presence of dead cells inside them, the necrotic core as the researchers termed it.
想在工作中交到朋友，不妨从良好的办公礼仪开始做起。
To win friends at work, a good place to start is good office etiquette.
人们联系的共同需要就是社会媒体背后的力量。在你的blog中把这些上升到感情的层次，就会使blog等级从良跨越到优。
The universal need to connect with one another is the power behind social media, and tapping into it at an emotional level can take your blog from good to great.
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