zài / shì fēi / wèn tí / shàng / wǎng wǎng / fēi cǐ jí bǐ / méi yǒu / zhōng jiān / lì chǎng

在是非问题上，往往非此即彼，没有中间立场。

On issues of right and wrong, it is often either this or that, with no middle ground.