zhè / gè / fāng / chéng / de / jiě / bāo / hán / xū / shù / bù / néng / zhǐ / yòng / shí / shù / biǎo / shì

这个方程的解包含虚数，不能只用实数表示。

The solution to this equation contains an imaginary number and cannot be expressed using real numbers alone.