The life of a tenant farmer’s family was of course hard, but we somehow managed to scrape along because mother was a clever and able woman.
佃农家庭的生活自然是很苦的。 可是由于母亲的聪明能干，却很舒服。
All these cases have in common that stationary objects scrape along the edge of the moving belt.
所有这些案件的共同点，静止的物体沿传送带的边缘刮。
I can scrape along on a reduced income for a short time, but not for ever.
短时间内，我可以靠减少的收入勉勉强强度日，但不能维持长久。
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