D85-20170603-词伙-216

1. perception of beauty, from culture to culture

e.g. Perception of beauty differs from culture to culture.

2. low-cost carriers, aviation industry, at an astounding pace

e.g. Because of low-cost carriers, the aviation industry has developed at an astounding pace over the past decades.

3. fail to do sth., detect, undesirable side effects

e.g. Animal experiments sometimes fail to detect the undesirable side effects of drugs.