suitcase; trunk; trunk (of a car); boot; (trunk) line
personal identification number; PIN; password number
many; much; plenty; hardly
notebook; copy-book; note; noting down; (musical) note; laptop (computer)
accessory (fashion); jewelry; accessory (audio, car, camera, etc.)
memory; memory; recollection; remembrance
research and development; R&D
operating together; working together; being linked (to); being tied (to); being connected (with); interlocking
brains (of an operation); advisor; brain trust; brain (organ)
trial product; prototype model
transport; transportation; conveyance; carriage
minimum; lowest; minimal; at a minimum
each; (arch.) you (plural)
upper lip; philtrum; under one's nose; mouth
registrant; subscriber; enrollee
chase; pursuit; tracking; following up; tracing
course; route; path; process; stages
optical fiber; optical fibre
to go upstream; to go up (a river); to go back (to the past or origin); to date back (to); to trace back (to)
process; course; mechanism
place; point; part; counter for places, parts, passages, etc.
ingenious; skillful; clever; deft; sophisticated
divergence; ramification; bifurcation; branching off
expansion; extension; magnification; enlargement; escalation; spread
favorite (to win); favourite; one's heart's desire; first choice; chocolate given to a man on Valentine's day out of genuine sentiment
route; path; channel (e.g. sales, distribution)
multinational corporation; transnational corporation
multi-floor building; multi-storey building; bill; check; bill; promissory note
accounting; administration (of money)
private enterprise; private business; private company; private firm; private-sector business; private-sector corporation
to have excess momentum (from going too fast, using too much force, etc.); to get carried away; to go overboard; to overdo (something)