"this job calls for the investment of some hard thinking" "he made an emotional investment in the work"
investment是什么意思
investor是什么意思
inveteracy是什么意思
inveterate是什么意思
inveterately是什么意思
inviable是什么意思
invidious是什么意思
invidiously是什么意思
invidiousness是什么意思
invigilate是什么意思