| 单词 | a barrier to sth… |
| 释义 | a barrier to sth…的障碍；…的壁垒 Duties and taxes are the most obvious barrier to free trade.关税和税收是自由贸易最显著的壁垒。 The government wants to eliminate barriers to progress.政府想要消除阻挡发展的障碍。 See barrier |
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