开发大西北任务艰巨，这就靠你们年青一代打天下了。 ( The task of developing the Northwest is arduous, and it depends on your young generation to fight the world. )
我曾和他同学六年，这就是我所以对他比较熟悉的原因。 ( I have been with his classmates for six years, which is why I am familiar with him. )
这就是我们必须强调的一点 ( This is what we must emphasize )
为了早点做手术，病人家属往往以钱铺路，这就助长了不正之风。 ( In order to have surgery earlier, patients' families often pave the way with money, which encourages malpractices. )
有花有实，有香有色，又练筋骨，又长见识，这就是养花的乐趣。 ( There are flowers and fruits, there are fragrances and colors, but also training bones and long-sightedness, this is the joy of flower cultivation. )
问题已经解决，还胡乱怀疑，这就不对了。 ( The problem has been solved, and there is still random doubt. This is not right. )
坏事做尽之人，必将迅速垮台，这就是物极必反的道理。 ( Anyone who has done bad things will fall down quickly. )
这就看谁的门槛精了。 ( It depends on whose threshold is refined. )