是什么原因？

What's causing it?

Traditional

是什麼原因？

Pinyin

Shì shénme yuányīn?

Bopomofo

ㄕˋ ㄕㄣˊ ˙ㄇㄜ ㄩㄢˊ ㄧㄣ？

Where this sentence comes from

This sentence is from Tatoeba, contributed by GlossaMatik, with the English translation by CK. It is used here under CC BY 2.0 FR.

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