because of or by means of what has just been mentioned 因此;从而;借此
The diet makes the blood less sticky, thereby helping to prevent heart disease. 这种饮食会降低血液粘稠度,因此有助于预防心脏病。
The aim of the military action was to open the roads to Sarajevo and thereby end the capital’ s 40-month siege. 这次军事行动的目的是开辟通往萨拉热窝的道路,从而解除首都遭受的40个月的围困。
PHRASE
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thereby hangs a tale
used for saying that there is a story connected with the fact that you have just mentioned