translation.en: The Indus civilization was roughly contemporaneous with the much better known Egyptian and the Mesopotamian civilizations, but it was actually much larger than either of these two civilizations.
translation.zh: 古印度河流域文明和较为人所熟知的 埃及以及美所不达米亚文化大概处于同时期 但其实它的范围超过这两个文明中的任何一个