后来，治沙取得成功，小农开始以采收和销售木材作为生计，同时维护绿色防护带。
Later, once the advancing deserts were halted, smallholders started harvesting and selling lumber for a living, while keeping the sheltering greenbelts in place.
微生物采油技术成本低、采收率增值高，同时由于其本身所具有的绿色环保优势，必将成为老油田提高采收率的新途径。
MEOR will surely become a new way to enhance recovery in mature oilfields, due to its low cost, high recovery enhancement and inherent advantages of environment protection.
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