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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.It is worth mentioning that in the next two 15-year targets, there is no longer the target of doubling GDP, but a new target of a beautiful China has been added.凯特是个执着追求芭蕾舞梦想的女孩，她未经受过任何专业训练，通过录像带模仿练习，舞技出众。其父沉迷博彩不关心凯特，但是妹妹却力挺她完成梦想。她来到美国芭蕾舞学院面试，然而主考官里弗斯出于功利放弃了她，选择了名门之后。然而，凯特的舞技还是令人侧目，特别是另一考官库伯和入选者汤米。前者曾为她据理力争，而后者则对她一见倾心。韦玉莲自幼随父亲练了一身好武功，虽然她生活在边远山区，但对外面的世界充满了向往。玉莲与母亲决定去深圳探望兄长，开开眼界，却遇到了被韦有成所骗的钟文基。文基原是某集团的私人保镖，因在一起人质绑架案中表现神勇，被传为佳话，但因失手开枪伤人，从此对枪产生了严重的心理障碍，无奈之下只好辞去公职，后来应聘一大公司出任深圳某大厦保安主管。一个偶然的机会，韦玉莲闯入了他的生活。玉莲与文基不是冤家不聚头，虽然惹出许多误会，但几经周折后喜结良缘。一次文基与歹徒狭路相逢，幸得玉莲拔刀相助，终擒歹徒，玉莲因此成为一名女保安。由于玉莲工作出色，身手不凡，获得众人赞赏，凡事请教之，文基自尊心受损，更因该出手时没出手，使妹妹遭受重创。同时与玉莲感情出现危机，玉莲好友朱明慧便乘虚而入，不惜横刀夺爱。三人陷入了感情漩涡之中。逃犯聂世官一直暗中盯着文基，欲施以报复，并挟持玉莲作人质，文基为救爱妻，终于克服不敢开枪的阴影，拼死也要救回心爱的女人，他终于克服心理阴影，向歹徒扣动了扳机。今后还想不想出海了？尚元王欲哭无泪，但怎么解释都没用了。画浓妆的女生在后面发出哈哈大笑，好像听到一个非常好笑的笑话。9. River Redundancy