贝兹说：“你可以在30年之内让一棵树成材。而石化燃料需要2亿到3亿年的时间才能形成。”
"You can grow a tree in 30 years, versus your fossil fuel which takes two-or-three hundred, million years to form the carbon fuel," says Bates.
是啊，树从幼苗算起也得几十年的光景才能成材吧。
Yes ah, the tree counting from the seedlings have to be exciting for several decades to become useful bar.
当我们种下这棵树的时候就知道，虽然它需要很多年才能成材，但它将为后代造福。
When we plant a tree we do so knowing that although it will take years to grow, it will yield great benefits for future generations.
众所周知，竹子的成材期只需4 - 6年，而一棵树的成材至少是20年以上，因此，在很多领域，竹子已成为替代木材的重要资源。
As we all know, the slow maturation of bamboo only 4-6 years, a tree is at least 20 years to become useful, therefore, in many areas, bamboo has become an important alternative to timber resources.
众所周知，竹子的成材期只需4 - 6年，而一棵树的成材至少是20年以上，因此，在很多领域，竹子已成为替代木材的重要资源。
As we all know, the slow maturation of bamboo only 4-6 years, a tree is at least 20 years to become useful, therefore, in many areas, bamboo has become an important alternative to timber resources.
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