扩大信用交易可以刺激社会总需求的增长。

Extend credit trade can stimulate social total demand rise.

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此外，主流银行通常不能像大多数专一数字行业的土豪那样快速扩大信用额度。

Moreover, mainstream banks often can't extend lines of credit as fast as most digital-only upstarts.

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此外，平台运营者只不过是每笔交易的协助者和引导者，是否扩大信用范围全由外部借款者个人决定。

In addition, the platform operator is merely a facilitator and conduit for each transaction, with the outside lenders individually making the actual decision to extend credit.

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