可选择丢弃

discard eligible (Frame Relay) / DE

can / may / able to / to approve / to permit / to suit / (particle used for emphasis) certainly / very

used in 可汗[ke4 han2]

available / optional

to choose / to pick / to select / to elect

to select / to pick / choice / option / alternative

to select / to choose / to pick over / to pick out / to differentiate / to eliminate / also pr. [zhai2]

to lose / to put aside / to throw

to discard / to abandon

to abandon / to relinquish / to discard / to throw away