dāngchū yīnwèi zhǒngzhǒng yuányīn méi qùchéng, xiànzài huítóu kàn yě bú suàn huàishì

当初因为种种原因没去成，现在回头看也不算坏事。

I couldn't make it back then for various reasons, but looking back now, it wasn't necessarily a bad thing.