economic; financial; economical; thrifty; frugal
obstacle; impediment; hindrance; handicap; impairment; disability
many; a lot; much; multitude
at that time; in those days
by means of; due to; because of; according to
bringing about; cause; provocation
dispute; conflict; trouble; strife
closing years (period, days); last stage; end stage; terminal (e.g. cancer, disease, etc.); final
unmanned; uninhabited; unattended; shorthandedness; lack of help
neighborhood; neighbourhood; vicinity; neighborhood; neighbourhood
investigation; examination; inquiry; enquiry; survey
result; consequence; coming to fruition; bearing fruit; as a result; consequently
separation; isolation; extrication; release; isolation
to contain; to comprise; to hold in the mouth; to bear in mind; to understand; to express (emotion, etc.)
atmosphere; air; magnanimity; generosity
gravity; gravitation; gravitational pull
suitable; proper; appropriate; perfunctory; half-minded; sloppy
if it is the case that ...
good; excellent; sufficient; enough; profitable (deal, business offer, etc.); beneficial
something like ...; something called ...
formation; molding; making up; repair (e.g. plastic surgery); replacement; -plasty
hour; o'clock; (specified) time; when ...; during ...
early (days); initial stage; initial
condition; term; requirement; qualification; prerequisite
ingredient; component; composition
ratio; proportion; percentage
et cetera; etc.; or something; the likes of; for example; for instance
to be affected; to be influenced; to be concerned with; to have to do with; to stick to (opinions)
like; similar to; (I) think (that); (I) have a feeling (that); feels like; feels similar to
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
living; life (one's daily existence); livelihood
few; a little; scarce; insufficient; seldom
meaning; significance; sense
outside of; not covered by
plan; project; schedule; scheme; program; programme