We need to translate visible text content to Japanese, preserving HTML tags exactly. Only output translation, nothing else. We must go through each tag and translate the inner text, keep attributes like class, href unchanged. Also need to translate link text? The link text is "Simple Most", "Simple Most", etc. Should we translate visible link text? The instruction: translate visible text content. Link text is visible. Should translate "Simple Most" maybe keep as is? It's a proper name, could stay. Usually keep proper nouns. Might leave as is. But we can translate "Simple Most" maybe not. Safer to keep as is. Also need to translate the and etc. Let's go paragraph by paragraph. Original:

The invention of the railway system has definitely revolutionized how the trade and travel industry worked. But did you know back when ... people believed that women should not be let on them?

Translate: "鉄道システムの発明は、貿易と旅行産業の仕組みを確実に革命的に変えました。しかし、米国で列車が新しかった頃、人々は女性は乗せてはならないと信じていた