zhè / jiàn / shì / méi / yǒu / chéng / lì / kě / xún / dà / jiā / zhǐ / hǎo / gòng / tóng / tǎo / lùn

这件事没有成例可循，大家只好共同讨论。

There was no precedent to follow in this matter, so everyone had to discuss it together.