英语语法分析

Most ECA rules use temporal operators to search events related to their timestamp of creation or occurrence.

大多数eca规则使用时间操作符搜索与创建或出现的时间相关的事件。

In contrast, registered unemployment declined in Belarus, Tajikistan, Kosovo, Serbia, and several other ECA countries.

与此形成对比的是，在白俄罗斯、塔吉克斯坦、科索沃、塞尔维亚和若干其它东中欧国家，登记的失业人数下降了。

Luanda has earned the dubious title of the world's most expensive city for the second year running, according to a study by ECA International, a consultancy.

ECA国际咨询公司的研究称，罗安达连续两年成为世界上最贵城市，这使很多人无法相信。