They then practice the conversations again, but in a slightly freer way by substituting new information into the practice dialogues.

然后他们再练习这些会话，但是以较自由的方式把新信息替换到练习对话中。

youdao

In this slightly freer way students substitute new information into the practice dialogues.

这种较自由的方式把新信息替换到练习对话中。

youdao

In this slightly freer way students substitute new information into the practice dialogues.

这种较自由的方式把新信息替换到练习对话中。

youdao