I think what part of Sustain Dialogue does and just being in community with people it also challenges you. -It does.

我觉得，“持续对话“所做的部分活动,和与你不同的人在一起交流,这很有挑战性，-的确。

普林斯顿公开课 - 人性课程节选

So you come to San Francisco and you see different colored people hanging out together.

但去旧金山，你就会发现各个种族的人都混在一起。

来自田纳西 - SpeakingMax英语口语达人

So make sure that you are around the right people, like who are also learning

所以要保证你与正确的人在一起，比如那些也在学英语的人，

要继续努力 - SpeakingMax英语口语达人

When you live together with Americans, so with English people.

当你和美国人住在一起的时候，相当于说英语的人。

英语学习就要这样 - SpeakingMax英语口语达人