没有准确的意思，direct，意思是指引，例如：
1.The study also demonstrated a direct link between obesity and mortality.该研究还表明了肥胖症和死亡率之间存在直接的联系。
2.The minister denied there was a direct connection between the two issues.部长否认两者之间有直接的联系。
3.The police force should be independent of direct government control.警方应该不受政府的直接控制。
