那时候，家里楼上就装满了我和姐姐从山上搬来的干柴，可以一年到头不用买柴，给家里减轻了不少的经济负担。
B-Time I-Time I-Time O B-Location I-Location I-Location I-Location O O O O B-Person I-Person I-Person I-Person O B-Location I-Location O O O B-Thing I-Thing O O O O O O O O O O B-Thing O O B-Location I-Location O O O O O O O O O O O