吃透英语课本，提升在校竞争力
n. 冷淡；不关心；不重视
Whether you stay or leave is a matter of total indifference to me .
你是留是走我根本无所谓。
Her indifference was quite noticeable.
她的冷漠十分明显。
indifference curve
[经]无差异曲线
n.漠不关心；冷淡；不重视；中立
nonchalance
dryness
