PCBs (Polychlorinated Biphenyls), once widely used for industrial purposes but outlawed as carcinogenic in 1976, can also be found in fish due to environmental contamination.

PCBs(多氯联苯)，一度广泛用于工业用途，但在1976年作为致癌物被取缔。

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The once-outlawed National League for Democracy stood in an election, and Aung San Suu Kyi is a Member of Parliament.

WHITEHOUSE: President Obama Speaks at the University of Yangon

Once established as president, he outlawed al-Nahda, took control of the other opposition parties and the press, and tamed the unions and professional associations.

ECONOMIST: Tunisia