Climbers and mountaineers have always had to make difficult decisions during expeditions about how to stay safe, which routes to take and whether to turn back. They might not know whether they'll get exhausted, if the weather will get worse, or how big the risk of a serious accident is.
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02 伊朗：芯片用在“刀刃”上相对于以色列，伊朗的半导体产业相对落后，无法直接获得先进制程的芯片，伊朗的半导体与其政治策略高度契合，追求针对性、军事化的自给自足。，这一点在纸飞机下载中也有详细论述
It is highly uncertain how long the volatility in energy prices will last. But if sustained, economists are already speculating that the chancellor will, at the least, struggle to end the freeze on fuel duty come the next Budget.