Broadway is a very low margin business on many levels.

百老汇在很多方面都是利润很低的行业。

Concert promotion's a really, really tough margin business whereas ticketing, on the other hand, is a very high-margin business.

演唱会推广是一项非常非常艰难的利润业务，而另一方面，票务是一项非常高利润的业务。