收入水平对进口需要的弹性影响的英文

income elasticity of demand for imports

• 收入:    income; revenue; r ...
• 水平:    horizontal; level ...
• 对:    answer; reply
• 进口:    enter port; sail i ...
• 需要:    need; want; requir ...
• 的:    4次方是 The fourth po ...
• 弹性:    elasticity; resili ...
• 影响:    influence; affect