commercial catch

例句：

1. 1. The commercial catch of the day was a large fish.
   当天的商业捕获是一条大鱼。
2. 2. The commercial catch is often contaminated with pollutants.
   商业捕获经常受到污染物的污染。
3. 3. The commercial catch has been declining due to overfishing.
   由于过度捕捞，商业捕获量一直在下降。