STST emphasizes both intra-psychic and interactive changes which can take place in a relatively short period of time.

内在心理和关系互动并重的变化，可以发生在相对较短的时间。

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STST emphasizes both intra-psychic and interactive changes which can take place in a relatively short period of time.

内在心理和关系互动并重的变化，可以发生在相对较短的时间。

youdao