The only secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards.
用正途去辅助别人,这便是忠诚。用歪魔邪道去引导别人,着便是奸佞。
The integration of digital technology will revolutionize traditional coal mining.
创新不仅仅是技术的问题,而是解决实际问题。