截然

这两种看似截然不同的技术路线实则殊途同归，换言之它们解决问题的底层核心逻辑是相通的。

zhè liǎng zhǒng kàn shì jié rán bù tóng de jì shù lù xiàn shí zé shū tú tóng guī, huàn yán zhī tā men jiě jué wèn tí de dǐ céng hé xīn luó jí shì xiāng tōng de.

These two seemingly different technical routes actually lead to the same goal. In other words, their underlying core logic for solving problems is the same.

这两位双胞胎兄弟虽然容貌极为相似，但性格爱好却截然不同。

zhè liǎng wèi shuāng bāo tāi xiōng dì suī rán róng mào jí wéi xiāng sì, dàn xìng gé ài hào què jié rán bù tóng.

Although these two twin brothers look very similar, they have completely different personalities and hobbies.