“The angiosperm radiation revisited, an ecological explanation for Darwin’s abominable mystery.” Ecology Letters 12: 865-872.
其中Berendse, F. and Scheffer, M. 2009年对相关假设作了一个精巧的摘编，见《重温被子植物的发散，针对达尔文糟糕透顶的神秘轮生态学解析》——生态学通讯12: 865-872.
This is the central fact of all these letters: not the verbal explanation of the but the fact itself.
所有这些信的核心要点是：它们不是对事实的文字说明，而是事实本身。
Misunderstanding when writing love letters can be removed from the face-to-face explanation of the inconvenience, it is a good way to dispel doubts.
误会时写情书，可以免去当面解释的不便，是消除疑虑的好办法。
A point that is ambiguous in a letter will cause trouble to both sides, and further exchange of letters for explanation will become inevitable, thus time will be lost.
信函中有一点含混不清的就可能导致双方误解，过后还须往来信函，做必不可少的解释，浪费了时间。
A point that is ambiguous in a letter will cause trouble to both sides, and further exchange of letters for explanation will become inevitable, thus time will be lost.
信函中有一点含混不清的就可能导致双方误解，过后还须往来信函，做必不可少的解释，浪费了时间。
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