✔ 最佳答案
I write the following sentences to show their meanings and usage with regard to some current issues.:
1.vulnerable
A greedy person is vulnerable to become a problem gambler.
2.stressed out
Because of the financial tsunami, many poor families are stressed out in their budgets.
3.confined to
The impact of credit crunch is not confined to America, but also affects Europe and other parts of the world.
4.play a role
Governments in different parts of the world all have to play a role in steering the world economy through the big storm.
5.submission
All kinds of submission by experts on how to tackle this difficult problem are welcomed by the governments.