operations (a strategy) on two fronts; two-pronged strategy
both material and moral; both physically and psychologically (spiritually)
fried on both sides; grilled on both sides
double-sided printing; duplex printing; printing on both sides (of paper)
two-sided photocopying; double-sided copy
look at both sides of the thing; (lit.) look at both sides of the shield
upside-down fern (Arachniodes standishii)
(both) the bright and dark sides
double-sided tape; mounting tape