外套层细胞淋巴瘤常常为CD5阳性表达，而滤泡中心性淋巴瘤常为阴性。

Occasionally, CD5 antigen is also expressed on a subset of B cells. Mantle cell lymphomas (same as diffuse centrocytic lymphomas) are CD5+ while the follicle center cell lymphoma are CD5-.

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如果下雨，我拿一层花纸做的外套有什么用？

If it rains, what shall I do with a coat of flowered paper?

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通常你只会在最冷的天气才需要这个，羊毛会在你的底层和外套之间增加一个额外的隔绝层。

Often, you will only need this in the coldest weather, when the fleece adds extra insulation between your base layer and your outer layer.

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