a world of difference
a
ei
world
wɜ:ld
vēld
of
ɒv
ov
diffe
dɪf
dif
rence
rəns
rēns

英語での「a world of difference」の定義と意味

a world of difference
01

used to emphasize a significant contrast or distinction between people, things, or situations 

慣用句
The introduction of new technology brought about a world of difference in productivity levels. 
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