usefully的例句（usefully在句子中的用法）

• We can usefully distinguish between four main kinds of international economic integration. 我们可以区分四种主要的国际经济一体化.
• We need to find ways of dealing creatively and usefully with our feelings. 我们需要找到一些既有创意又实用的方法来调整我们的情绪。
• In some cases the slag can be disposed of usefully. 有时炉渣能有用处.
• Your time could be usefully employed in attending to professional matters... 你可以有效地利用时间处理一些专业问题。