“我国每年约生产450亿双一次性筷子,需要砍伐600万棵大树,一棵树的生态价值是其所造筷子价植的9倍”翻译为

China approximately produces 45 billion pairs of disposable chopsticks annially, which nees 6 million of big trees to be cutted, however, the ecological value of the one big tree is 9 times of the valuewhen it is made as chopsticks.
还有问题可以问我~~