Therefore, it is only natural that we explore the economic phenomenon of subject substitution in export growth when we seek to explain why China's export develops so rapidly.
因此，在寻求这一时期中国出口贸易高速增长的原因时，就不能不研究出口增长贡献主体替代这一经济现象。
2
Both the strategies of import substitution and export orientation have their advantages and disadvantages.