Pirated music is a big challenge for Senegal's music industry.

VOA: standard.2009.08.27

So I think that it's true that the economy is difficult and there is big challenge in front of us.

所以我觉得，目前的经济形势真的很困难，我们面临着很大的挑战。

事业就是挑战 - SpeakingMax英语口语达人

"Rome" and "Big Love." Poul says his challenge was to balance the expectations audiences have for this genre.

VOA: standard.2010.04.30