But whether that shift takes place against a background of prosperity or stagnation depends on the pace of growth in the rich countries.
但是这种转移会在繁荣或停滞的背景下发生取决于发达国家的增速。
She understands that because of his genetic background, Chicklett is unlikely to live as long as a traditional chicken; she says the rapid growth has side effects, and heart attacks aren't uncommon.
她明白,因为它的遗传原因,小鸡贝贝不可能像传统鸡活的那么长;她说,快速增长有副作用,经常会诱发心脏病。
BACKGROUND: Studies have shown that nerve growth factor microspheres can promote repair of spinal cord injury.
背景:已往研究表明,神经生长因子微球对脊髓损伤的修复有促进作用。
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