zhè gè / xiǎo zǔ / de / chéng yuán / bèi jǐng / yì zhì / yīn cǐ / tǎo lùn / shí / guān diǎn / tè bié / fēng fù这个小组的成员背景异质,因此讨论时观点特别丰富。The group members have heterogeneous backgrounds, so discussions are particularly rich in viewpoints.