For teachers, Yulin and Xi have different job opportunities. Therefore, teachers who live in Yulin should decide whether to work in Yulin or Xi 'an according to their preferences, personal abilities and job opportunities.

First of all, teachers should consider their own preferences, whether they like Yulin or Xi 'an's living atmosphere, the city's educational resources and more employment opportunities. Yulin is a small city with a quiet social and cultural atmosphere, relatively few educational resources and fewer employment opportunities. Xi 'an is a big city with many educational resources and employment opportunities, but the social and cultural atmosphere is active, which may make some people feel tired.

Secondly, teachers should consider their own abilities and employment opportunities in Yulin and Xi. If teachers are more professional, they can find jobs in Xi 'an, which will provide more employment opportunities. And if the teacher's ability is average, you can consider employment in Yulin, because there are more employment opportunities there.

Finally, teachers should decide whether to work in Yulin or Xi 'an according to their own preferences, personal abilities and local employment opportunities. If the teacher has strong professional ability and likes a big city like Xi 'an, then you can consider working in Xi 'an. On the other hand, if a teacher has average ability and likes a small city like Yulin, then he can find a job in Yulin.