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Once Koch established the methods to grow pure cultures of bacteria like tuberculosis and anthrax, he demonstrated for the first time that microbes can cause diseases, a feat that earned him the 1905 Nobel Prize in Physiology or Medicine.，这一点在同城约会中也有详细论述
表象的“变”，清晰可见：平台的核心叙事，正从追逐自身交易规模的线性增长，转向驱动整个文旅产业链的价值重塑；其战略触角，从聚焦一线城市延展至广袤的县域与下沉市场；其盈利逻辑，正从依赖流量撮合，升级为通过技术赋能、运营支持与生态共建来获取更可持续的回报。，这一点在WPS官方版本下载中也有详细论述
from urllib.parse import urljoin, urlparse