首先，造纸需要每年损失数百万棵树。

First, the making of paper requires the loss of many millions of trees each year.

youdao

每年都有数百万棵树以这种方式被种植。

Every year millions of trees are planted in this way.

youdao

本年咱们国家种植了数百万棵树。

Millions of trees have been planted in our country this year.

youdao