The specific glycosides present in milkweed differ from region to region within the monarch butterfly's range.

马利筋中的特殊糖苷在帝王蝶的范围内因地区而异。

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The Pentagon press secretary, Geoff Morrell, and that the general would present a range of options, discuss the risks associated with each, and conclude with a specific recommendation.

VOA: standard.2009.09.25

Perez Molina plans to present a range of proposals at the meeting, Guatemala's foreign minster said.

CNN: Guatemalan president leads drug legalization debate

The Canadian media are free to present a wide range of views and opinions.

BBC: Canada country profile

Crude oil prices are in a choppy and sideways trading range at present.

FORBES: Comex Gold, Silver Lower as "Outside Markets" Bearish