[] to grow, increase, develop, etc. more slowly than sb/sth else 发展缓慢；滞後；落後於◆Economic growth in Europe has lagged behind the US this year. 今年欧洲经济增长落後於美国。◆Demand for the chips doubled, but production lagged far/well behind. 对芯片的需求增加了一倍，但是生产远远落後了。◆The company lags Tesco in terms of market share. 这公司的市场份额落後於特易购。
[] to grow, increase, etc, more slowly than normal 增速放慢◆Business investment continues to lag. 商业投资的增长速度继续放缓。◆They continued to open new stores despite lagging sales. 尽管销售量增速放慢，但他们仍继续开新店。