The gove ment has launched many policies to solve the life problems of the 'aged people', and now there are many people in the family. The very care and conce for the elderly shows that the status of the 'aged people' is getting higher and higher. From 2021 to 2050, is the accelerated aging developm...

From the perspective of competitive behavior, cooperation in resource sharing among enterprises is increasing. The next few years will be a period of rapid turbulence in the hardware industry. The integration of domestic and foreign enterprises will be further accelerated. As a global hardware manuf...