学习外语是了解其他文化的重要途径。

xuéxí wàiyǔ shì liǎojiě qítā wénhuà de zhòngyào tújìng.

Learning a foreign language is an important way to understand other cultures.

他通过合法途径解决了这个问题。

tā tōngguò héfǎ tújìng jiějuéle zhège wèntí.

He resolved this issue through legal channels.

网络已经成为获取信息的主要途径。

wǎngluò yǐjīng chéngwéi huòqǔ xìnxī de zhǔyào tújìng.

The internet has become the main channel for obtaining information.