表哥很赞同地对她说：“我们铜梁是个打工大县，80多万人口就有10多万人在外面打工。
B-Person I-Person O O O O O B-Person O O O B-Person I-Person B-Location I-Location O O O O B-Location I-Location O B-Metric I-Metric I-Metric B-Location I-Location I-Location O O B-Metric I-Metric I-Metric I-Metric I-Metric O B-Location I-Location O O O