"The problem with resistance means that we might be facing a situation where our currently, mostly susceptible epidemic is replaced in a decade or two by mostly multi-drug resistant disease,".
VOA: standard.2009.12.09
"There is a problem with the judiciary. There is a problem with the notion of being able to take cases to the courty, cases where journalists are threatened, publications are supressed, or information distorted.
VOA: standard.2009.11.02
"It is an age-old problem in politics, where in general in American politics, the candidate who appeals most to the most fervent members of the party wins the primary and then often has a very difficult time appealing to the broader electorate."
VOA: standard.2010.05.19
应用推荐