The umbrella rod of the sun umbrella commonly used at present is directly connected to the center of the umbrella fabric, with complex simple, heavy weight and high cost.

目前国内普遍使用的太阳伞伞杆直接连接在伞面的中心，其结构复杂、重量大、造价高。

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It might not make sense to install solar panels on the roofs of suburban tract homes already connected to the power grid, but imagine remote bases in Afghanistan powered by lightweight, flexible solar panels built right into tent fabric, or unfurled as easily as extending an umbrella.

FORBES: Logistics