翻译长句1“Treesthatarehardforustofin

翻译长句1“Treesthatarehardforustofin: “Trees that are hard for us to find or eensive to grow, we grow here at the nursery. We also grow a lot of endangered species（种类）to improve our environment,” Phil said.; 菲尔说：“对我们来说，在这里很难找到树，种植的成本也很高。我们在苗圃里种了些树苗，而且，我们还种了很多濒危种类的树来提升我们的环境。”