But that rapid growth came to a sudden halt when Washington imposed heavy anti-dumping duties on Vietnamese catfish last year, after a bitter trade battle that left a sour taste in Hanoi.

• 但去年，越南鲇鱼的出口量增长突然停止，因为美国开始向越南鲇鱼征收高额的反倾销税。在这之前，美越两国爆发了一场剧烈的贸易战，越南受挫。