Tanker traffic has largely come to a standstill since the U.S. and Israel launched a war against Iran, which has retaliated by lobbing missiles and drones at Gulf neighbors as well as the ships ferrying energy to destinations around the world.
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。，推荐阅读新收录的资料获取更多信息
，这一点在新收录的资料中也有详细论述
Data availability
Complete coverage，推荐阅读新收录的资料获取更多信息