sist为后缀的单词：
assist vt.援助，帮助；搀扶；
consist vi.由…组成；在于；
desist v. 停止，中止；
insist vi.坚持；坚持要求；
persist vi.持续，存留
Underdeveloped countries should be assisted by allowing them access to modern technology.
应该通过提供现代技术来帮助不发达国家。
We are looking for people who would be willing to assist in the group's work.
我们正寻找愿意协助该团体工作的人。
The performance consisted of dance, music and mime.
演出包括舞蹈、音乐和哑剧。
True education does not consist in simply being taught facts.
真正的教育并不在于简单地讲授事实。
Oh, very well, then, if you insist.
啊，那好吧，如果你坚持的话。
I didn't really want to go but he insisted.
我并不真的想去，但他硬要我去。
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