(of quantities) imprecise but fairly close to correct;
"lasted approximately an hour"
"in just about a minute"
"he's about 30 years old"
"I've had about all I can stand"
"we meet about once a month"
"some forty people came"
"weighs around a hundred pounds"
"roughly $3,000"
"holds 3 gallons, more or less"
"20 or so people were at the party"
or so的用法和样例:
例句
The work will take ten days more or less. 这项工作大约要花十天时间。
I'll see you at 9 a.m. or thereabouts. 我在九点或大约九点时见你。