in essence   (TTS發音)

in its nature；as a matter of fact在本質上；實質上

    In essence，both proposals are much the same. 這兩個建議實質上是差不多的。

    Officially he is in charge，but in fact his secretary does all the work. 從職位上講是他負責，但實際上，他的秘書做所有的工作。