选择一棵健康的树。 不要选择那些长满大量枯萎或者焦黄的针尖的树——这些树显然已经风华不再。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
. If at all possible, buy a Christmas tree from a tree farm, where you can purchase your tree while it's still in the ground. A freshly cut Christmas tree will last longer than one that's been cut weeks ago and shipped to distant retail outlets. Gently stroke a branch on the tree to make sure that the needles are flexible and remain on the tree.