例句 That threshold could be reached 20 years earlier or 20 years later, the report adds, depending on economic trends, labor market dynamics,
regulations and social attitudes.【2017-1《纽约时报》】
该报告补充说，这一临界值可能会提前 20 年或推迟 20 年达到，这取决于经济趋势、劳动力市场动态、规章制度及社会态度。
考点 the competitive dynamics of this industry 该行业的竞争动态【2010 英语（一）新题型】
