therefore/ˈðeəfɔː(r)/
adv.1. 因此；所以I was ill, and therefore could not come.我病了，所以没能来。
He has broken his leg and therefore he can't walk.他摔坏了腿，因此不能走路了。
We do not have enough money. Therefore we cannot afford to buy the new car.我们的钱不够，因此买不成这辆新车。
2. （用于推论）因而，因此He was the only candidate; therefore, he was elected.他是唯一的候选人，因此，他当选了。