IfthereisonethingIhavelearnedovertheyears，itisthatli...
问题详情： IfthereisonethingIhavelearnedovertheyears，itisthatlifeinthisworldisbittersweet．Ithasbeenandit41__willbe．IrealizedthisearlyandeverydayIseefurther 42__ofit．Itissomethingthatwealljusthaveto43_...