Variable exchange

variable ['vɛrɪəbl]

adj. 变化的，可变的;[数]变量的;[生]变异的; n. 可变因素，变量;易变的东西;

vari=vary变化+able形容词后缀→易变的

exchange [ɪks'tʃendʒ]

n. 交换;交易;交易所;兑换（率）; vt. 交换，互换;兑换;交换，调换; vi. 交换，替换;进行易货贸易，作物物交换;[金融业]（货币）交换，兑换;

ex 表示\"出，出去\" + change交换，替换 → vt.交换；交流\r\nn.交换

Aren't we taking the baby on our honeymoon?

我们岂不是要带小宝宝一起去度蜜月？

All roads lead to Rome.

条条道路通罗马。

The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。