But Juan José Toribio, a former director of IESE Business School in Madrid, worries that these tools will be ineffective and thinks regional spending limits are needed.

但是，IESE商学院（位于马德里）前院长胡安•何塞•托里维奥担忧这些方法可能无效并且认为有必要考虑限制地区开销。

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Santos visited the region last week, meeting with indigenous groups in the village of Toribio as members of the Revolutionary Armed Forces of Colombia flexed their muscle by setting up a checkpoint just outside the town.

CNN: Indigenous groups clash with Colombian soldiers