Europeans, with their confidence returning, went forth, multiplied and buried many a hatchet. Rising fertility and Europe's integration became the main motors of the continent's economic boom.
Rising fertility and Europe's integration became the main motors of the continent's economic boom.
增长的人口和欧洲一体化成了这块大陆经济繁荣的主要动力。
3
The acceleration in China's economy in the past few years has had two main drivers: a boom in housing, infrastructure and factory construction, and a dramatic surge in exports.