...无目的 aimless; ; to flounder 漫无边际 boundless; discursive; straying far off topic; digressing; going off on tangents; limitless; extremely vast 漫无目的 to flounder; aimless ..
This well-written and well-researched book struggles to concentrate upon itssubject, constantly goingoff oninterestingtangents instead, becauseof the sheer paucity of information abouther.