与摄影器材、舞台灯光类似，它属于活动经济的一部分，而活动经济本身具有明显的淡旺季波动。只要旺季结束，设备闲置率就会上升。
His business, which he co-founded with colleague Bert de Wit, advises companies on their brand identity and packaging.，这一点在必应排名_Bing SEO_先做后付中也有详细论述
Meta CEO, grilled about children’s safety, says in taped deposition a user pool of billions will include bad actors，详情可参考51吃瓜
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