composition; piece of music; tune; melody; enjoyment; fun
to glitter; to glisten; to sparkle; to twinkle; to glare; to gleam
look!; look out!; hey!; look at me!; there you are!
cryptographic system; cryptosystem
iron wall; impregnable fortress; impregnable; invulnerable; unassailable
invincible; unrivaled; unrivalled; matchless; unbeatable; undefeatable
a short while ago; a moment ago; just now; some time ago
well-informed person; walking dictionary; extensive knowledge
commerce; trade; business
all countries; the whole world; universal; all nations
mail service; postal service; mail; mail; postal matter; postal items
fair; exhibition; exposition
exhibiting; showing; putting on display; putting up for sale; entering (a work into a competition); submitting
as a test; as an experiment; by way of experiment; by way of trial; tentatively
one machine; one aircraft; one life
market (financial, stock, domestic, etc.); marketplace; exchange; (street) market
exceptional item; extraordinary product
miniaturization; miniaturisation; downsizing
counter for articles; counter for military units; individual
1,000,000; one million; million; many
implementation (e.g. of a system); materialization; materialisation; realization; realisation; actualization
to dismantle; to demount; to take something away; to detach
addition; supplement; appending; appendix
insertion; plug; (electrical) outlet; spasm of pain; griping pain
change; modification; alteration; revision; amendment
via; through; by doing; by means of; using
combination; assortment; matching (in a contest); pairing; combination
one theory (opinion); another theory (opinion)