通过对这些男孩的两次扫描，科学家可以细致地描绘出在这个重要的发育时期，大脑是如何变化的。
By scanning the boys twice the scientists were able to create a detailed picture of how the brain changes during this critical period of development.
如果财政刺激难以取代金融整顿的话，前者在这个需求低迷的时期也是一项重要支持。
If fiscal stimulus is no substitute for financial clean-ups, it is an important support at a time of slumping demand.
世界银行驻刚果(金)和刚果共和国首席代表Marie Francoise Marie - Kelly说“对世界银行和其它伙伴来说在这个混乱时期帮助刚果(金)是重要的”。
"It's important for the World Bank and the other partners to support the DRC in this period of turmoil," says Marie Francoise Marie-Kelly, country manager for DRC and Congo-Brazzaville.
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