どちらも「originally」とJapanese variant of 译訳せますが、to make使いpart分けがあります。original本来 = 「originally / at that time当初は」、regular通常、back後に状況がJapanese variant of 变変わったことをto show示す文脈でto make使われます。original原来 = 「outcome結果としてpart分かった」— new新しいJapanese variant of 气気づきや、「(Japanese variant of 实実は)ずっとそうだった」というmeaning意味です。
I我originally本来was going要to go去Shanghai上海but,但是couldn't去不了了。
I was originally going to Shanghai, but then I couldn't.
so原来you你are是a teacher老师啊!
Oh、あなたはteacher先生だったんだ!
Remember: original本来 looks back at a plan that CHANGED ("originally… but"); original原来 reports a DISCOVERY ("oh, so that's it!"). Tagline forms seal it: original本来then / just就 = "of course, all along"; 原来如此 = "ah, so that's how it is!"
Watch out
- If nothing changed and you mean "it turns out," it's original原来, never original本来.