Garden Rule: When weeding, the best way to make sure you are removing a weed and not a valuable plant is to pull on it. If it comes out of the ground easily, it is a valuable plant.
花园定律:当你除草的时候,判断你出掉的是一棵杂草而不是一株有价值的植物的最好方法就是向外拉它。如果它很容易被拔出土壤,那它就是一株有价值的植物。