mó / tè / zhè / gè / zhí / yè / jiù / shì / chī / qīng / chūn / fàn / ， / guò / le / sān / shí / suì / jiù / bù / hǎo / zhǎo / gōng / zuò / le / 。

模特这个职业就是吃青春饭，过了三十岁就不好找工作了。

Modeling is a job that relies on youth; it's hard to find work after turning thirty.