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1·The bank left its lending rates unchanged.

银行保持其贷款利率不变。《柯林斯英汉双解大词典》

2·Train fares are likely to remain unchanged.

火车票价很可能会保持不变。《牛津词典》

3·It has remained virtually unchanged since time immemorial.

它几乎自古以来都维持不变。《柯林斯英汉双解大词典》

4·Thus the ideal lecture is one filled with facts and read in an unchanged monotone.

因此，理想的演讲应该是充满事实的、并以不变的单一语调进行的。

5·We're a traditional British restaurant so there are some staples that will remain essentially unchanged.

我们是一家传统的英国餐馆，所以有些主菜基本上不会改变。

6·The consumer buying experience is growing increasingly more complex, but the metrics to gauge them have remained largely unchanged.

消费者的购买体验正变得越来越复杂，但衡量这些体验的标准基本上保持不变。

7·Horses evolved in discrete steps, each of which persisted almost unchanged for millions of years and was eventually replaced by a distinctive newer model.

马是分阶段进化的，每一阶段都几乎保持了数百万年的不变，而最终被一种独特的新型马所取代。

8·Many species appear to remain unchanged in the fossil record for millions of years—a situation that seems to be at odds with Darwin's model of continuous change.

许多物种似乎在数百万年的化石记录中都保持不变——而这种情况似乎与达尔文的持续变化模型不一致。

9·The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.

蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。

10·In most localities a given species of clam or coral persists essentially unchanged throughout a thick formation of rock, only to be replaced suddenly by a new and different species.

在大多数地方，某一种蛤蜊或珊瑚在厚厚的岩层中保持基本不变，只是突然被一个新的不同的物种所取代。