let count = 0; // 统计能看到的「矮个子数量」（被弹出的元素数）
A few years later, in 2024, researchers in multiple labs were horrified to notice toxic batches of agar for reasons as yet unclear. After they observed a worrying lack of microbial growth (impeding their ability to carry out basic experiments), they switched to different agar suppliers, and their results improved.
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给药方式的颠覆或许是更关键的优势。Vosoritide需每日皮下注射，而Infigratinib是口服小分子药物，这对于需要长期治疗的儿童来说，依从性和生活质量的影响十分显著。
Without bigger government incentives, oil firms will be reluctant to take what could be an expensive plunge. Small wonder, then, that ExxonMobil boss Darren Woods has called Venezuela "uninvestable" in its current state.
// 核心过滤：弹出栈中「≤当前元素」的数（易错点2：必须是≤，不是<）