The ideal space for a new hive can be difficult to find: the opening should be small, about 10 meters off the ground, and lead to a 40-liter cavity inside a sturdy, living tree.
一个新的蜂房往往很难寻找：在强壮的活着的树有一个40平方分米大小的腔，开口需要小，离地要100米左右。
America’s lead is declining slightly, but remains huge at the top of the knowledge tree.
美国的领先地位虽然有些许下降，但在知识界他依然是首屈可指的。
Mixing the two types of nodes is highly discouraged, as it can lead to unpredictable results (for example, during validation of the tree).
混合使用这两种类型的节点很不妥，因为这样会导致无法预料的结果(例如，在验证树的时候)。
应用推荐