tā / duì / zhè / zhǒng / bù / gōng / píng / de / xiàn / xiàng / gǎn / dào / fèn / jī / lì / jí / xiě / xìn / tí / chū / kàng / yì

他对这种不公平的现象感到愤激，立即写信提出抗议。

Outraged by this unfair situation, he immediately wrote a letter of protest.