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Dozens of cubans and several foreigners have been jailed .

几十个古巴人和十几个外国人已经被送进监狱。

Third , some 30000 cubans a year leave the island .

第三点，每年大约有3万古巴人离开这个小岛。

The coast guard says that 36 cubans died at sea in april alone .

海岸警卫队表示仅在4月份就有36名古巴人死于海上。

Not all cubans will benefit from the changes .

并非所有古巴人都将从政策改变中受益。

Cubans could expect widespread shortages .

古巴人会面临普遍的短缺。