安全环保是企业的生命线,任何时候都不能放松。
Ethernet is a shared medium, and the key to its success is its simplicity.
我一生都在学习战斗,也要学会保持微笑。如果你微笑,事情就会好起来。
It is vain to expect virtue from women till they are, in some degree, independent of men.