| A | B |
|---|
| facilitate | to make easy or easier |
| contradiction | a statement that conflicts with itself;a denial |
| unforeseen | not expected |
| innumerable | too many to be counted |
| interact | to act on or in relation with; deal with |
| appendage | an attached part of an animal or plant |
| gadget | an electronic or mechanical device |
| frustration | a feeling of annoyance; irritation |
| mutually | equally; jointly |
| compromise | means of agreement; settlement |
