60 баллов!
Объясните слова или напишите синонимы (на английском, разумеется)
Слова:
Brainchild,
Argument,
Search engine,
Commitment,
User-friendly,
Complicated,
Frustrating,
Popularity,
Calculate,
A fair amount,
Criticism,
Investor,
Catchy,
Inspired,
Neat,
Performance,
Headquarters,
Respond,
Fade
Объясните сколько сможете, пожалуйста.

Brainchild - design
Argument - reason
Search engine - hz, prosti(
Commitment - obligation
User - friendly - simple in using
Compilcated - tricky
Frustrating - dissapointing
Popularity - when smth or smn is famous
Calculate - accounting
A fair amount - enough of something for someone
Investor - depositor
Catchy - tricky
Inspired - to have a desire for doing smth great
Neat - clean
Performance - show
Respond - to be responsible
Fade - disappear