【计】 swap left/right buttons
control; influence; master; anyhow; anyway; in any case
the left and right sides
button; press-button; push button; pushbutton
【计】 button
exchange; interchange; change for; commute; permutation; reciprocation
replacement
【计】 exchange; swap; swapping; switching; transput; X
【医】 chiasmapy; cross-over; crossing-over
【经】 interchange; swap