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Some plants are very picky when choosing pollinators. The flowers of European Trollius are like a real safe deposit box, and only six kinds of insects know the code to open the safe deposit box. These lucky people all come from the genus Brevicorn. Only they know how to get into the sepals of European Trollius and find the center of the flower. However, no matter how hard other insects try, they can only fail with disappointment. The short-horned flower fly, which has gone to great pains to pollinate European Trollius, will naturally receive considerable "remuneration". Female short-horned flower flies lay eggs on the carpels of flowers. When the larvae are hatched, they will eat the seeds of flowers and grow up. This symbiotic relationship also has certain risks for European Trollius. The more short-horned flower flies, the greater the chance of pollination, but at the same time, the more insects parasitic on flowers. The cooperative relationship between the two was formed millions of years ago and continues to this day. It is a model of relative balance and harmonious symbiosis in nature.On the whole, the product is still very good, whether it is road running or cross-country, it is fully competent.Phase A Metering Section深圳罗湖关口，每日有数万旅客经此进入内地。这儿有一个落魄的香港人在等待机会，他是正东。不久，三名从香港来深圳寻欢的黑道古惑仔，甫一出关，即被正东截住，正东道出他的坎坷遭遇，希望对方可以借钱给他，江湖救急。其中一疏财仗义的给了他四佰元。正东拿了钱，交了房租，独自吃着饭，淌下了男儿泪…Events will be distributed吕雉补充了一句，让事情看起来更像是那个样子。等待史班头点验，另派了人去后院各处察看。