Level 139 Level 141
Level 140

1431-1440


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sustainable
capable of continuing for a long time at the same level; using methods that do not harm the environment
determine
to control or influence directly; to decide
paranoid
worrying that people do not like you and are trying to harm you, although you have no proof of this
cutting-edge
extremely modern and advanced
stuff
a variety of objects or things
propose
to suggest a plan, idea, or action
vet
to examine something in order to decide if it is allowed
contribution
something that you do that helps to achieve something or to make it successful
arise
to come into existence or begin to be noticed; happen
manageable
easy or possible to deal with