But obstacles remain.

但障碍仍然存在。

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The arrival of artemisinin a few years ago raised hopes, but big obstacles to its widespread use remain.

几年前引进的青蒿素又给人们带来了希望，但对于这种药物的广泛使用还有不少障碍。

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Overseas orders are now picking up, but big obstacles remain.

海外订单源源不断，但障碍重重。

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Mr.Reinfeldt,whose country holds the rotating EU presidency, said the creation of the power-sharing government in Zimbabwe was an important step forward but added that obstacles still remain to ending the sanctions.

VOA: standard.2009.09.12

But obstacles remain before phones can be doled out to combat troops.

CNN: U.S. Army may soon equip troops with smartphones

Overseas orders are now picking up, but big obstacles remain.

ECONOMIST: Indian textiles

But big obstacles remain.

ECONOMIST: Energy security in Europe