本文首先讨论了欧美关系中的一些潜在的困难。
The paper begins with a look at some of the underlying difficulties in the relationship.
我们考虑合同费用时必须认真考虑所有潜在的困难。
We must reckon with all possible difficulties when we are considering the cost of the contract.
其中潜在的困难是全神贯注于视频聊天的人可能讨厌受到广告的狂轰滥炸。
The snag with this is that people engrossed in video chatting may well resent being bombarded with ads.
应用推荐