Nǐ jìsuàn ɡuo chénɡběn mɑ?
你计算过成本吗?
Have you calculated the cost?
Notes:
你(nǐ): you
计算(jìsuàn): to calculate
过(guo): particle word
成本(chénɡběn): cost
吗(mɑ): question word
Example:
A:你计算过成本吗?
Nǐ jìsuàn ɡuo chénɡběn mɑ?
Have you calculated the cost?
B:没有。
Méiyǒu.
No.