Term/Expression	Meaning
complicated	not easy to do or understand
condition	a disease or physical illness
to depend on	to be determined by a future event or result
episode	an event; a short amount of time that is different from the time around it
extreme	very strong
in general	usually
in other words	to say the same thing in a different way
key	important ; essential
observe	to watch closely
rate	amount; number; percentage

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