dime
noun
daɪm
noun
1
a
coin
of
the
US
and
Canada,
worth
one
tenth
of
a
dollar
〔美国和加拿大的〕十分硬币
2
a dime a dozen
very
common
and
not
valuable
[美，非正式] 平常的，不稀罕的，不值钱的;
AmE informal BrE
PhDs
are
a
dime
a
dozen
nowadays
.
如今哲学博士学位不值钱了。