That was in my green days, and I soon learned that the failure of an experiment never discourages him unless it is by reason of the carelessness of the man making it. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
It neither encourages nor discourages improvement. 亚当·斯密.国富论.
This might have been discouraging to some people; but, once embarked on a career of manifest usefulness, nothing discourages Me. 威尔基·柯林斯.月亮宝石.
Poverty, though it no doubt discourages, does not always prevent, marriage. 亚当·斯密.国富论.
By raising the rate of mercantile profit, the monopoly discourages the improvement of land. 亚当·斯密.国富论.