No time is wasted. The bullet train is moving all the time. If there are 30 stations between Beijing and Guangzhou , just stopping and accelerating again at each station will waste both energy and time. A mere 5 min stop per station (elderly passengers cannot be hurried) will result in a total loss of 5 min x 30 stations or 2.5 hours of train journey time!
America and Oil. It's like bacon and eggs, Batman and Robin. As the old song lyric went, you can't have one without the other. Once upon a time, it was also a surefire formula for national greatness and global preeminence. Now, it's a guarantee of a trip to hell in a hand basket. The Chinese know it. Does Washington?