Africa fulfills a life 's ambition

在非洲实现了一生的雄心壮志

A profound intrinsically valuable activity is one that fulfills both criteria .

一个深刻的具有内在价值的活动同时满足两个标准。

Find a replacement habit . One that is healthier . One that fulfills the need .

找到一个能满足你需要的可替代的好习惯。

Craigslist , he said , often fulfills its promise of delivering erotic thrills for a minimal effort .

他认为craigslist兑现了自己的承诺，可以让用户以最少的努力找到情色刺激。

Satisfaction emerges if a user uses a product or service to achieve certain goals and the product or service fulfills those goals .

满足感在用户使用产品或者服务达到一个确定目标而产品或者服务能够达到这些目标的时候出现。