How to break the “bottleneck” in Chinese education? Educate teachers to "make blood" themselves and compile teaching materials according to local conditions
First day of the 2021 World Internet Conference: China and foreign countries discuss a shared destiny in the digital fight against the epidemic, and the reshaping of the international order in cyberspace is accelerating
North America is congested, the three major ports in Europe have collapsed, India and Bangladesh are extremely congested, and there are sky-high port congestion fees.
High-end weapons from the United States and Russia confront Ukraine, which blows up the Russian military headquarters and threatens to attack targets in Russia