相反，他们迁移出了“组织者”细胞群的边界，随后达到一个高浓度的音猥因子的位置，并发育成中指。
Instead, they migrated beyond the organizer's boundaries to a position where, later on, high concentrations of sonic hedgehog turned them into the middle finger.
较好的办法是，在项目中拥有一群“超级明星”，他们拥有发达的交际关系，位于信息流的核心位置。
What's better is to have a handful of "superstars" on a project who are well-connected and in the center of the information flow.
在这个示例中，替换群元素类型、等允许位于元素所在的任何位置—在本例中为段落的文本行内。
In this example, the substitution group element types, and so on are allowed anywhere the element is-in this case, inline in the text of the paragraph.
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