Caravanserais served as an informal 10 point for the various people who travelled the Silk Road.
驿站曾作为非正式的 10 个点，供不同的人们在丝绸之路旅行时使用。
For example, neighborhoods with a large elderly population or informal dwellings might be poorer with heat could get special warnings or be bolstered with cooling centers.
例如，老年人口较多或存在非正式居住区的社区可能在应对高温方面更为薄弱，可以得到特别警告或增设降温中心来加强支持。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。