The big difference between "drought-tolerant" plants and these tough plants: metabolism.
“耐旱”植物和这些顽强植物之间的一大区别在于：新陈代谢。
2
Plant drought-tolerant shrubs, trees, and grasses, which require far less water
种植耐旱的，需水量远远少于其它植物的树木花草。
3
An important test case may come in the form of a new GM crop, a drought-tolerant corn variety being developed by the Monsanto Company for use in the us.