英和和英

extend one's operations

a range of a subject or activity or interest

within the realms of possibility

capable of operating independently

one's sphere of activity―one's field of action

Activity scope

one's sphere of activity

in respect to operation

to perform an operation

of a condition of scope, limited

the radius of action

operating as a unit

termination of operations

to be operated upon

to have good operability

the degree to which the scope of something is limited

beyond the bounds of possibility

perform an operation

operating in unison

a rate of operation

the wide range of an activity

to undergo an operation―be operated upon

in operation

the act of setting in operation

suspend operation

having a base of operations

business sphere

a field of activity

of a matter, a state of a matter's being beyond one's authority

have a range