In the past half century , the main problem of china economy is unsteadiness .
在过去的半个多世纪里，中国经济多次出现大起大落。
Because branches of this nerve directly influence your balance and hearing , pressure from an acoustic neuroma can cause hearing loss , ringing in your ear and unsteadiness .
由于该神经的分支直接影响平衡和听觉，听神经瘤对该神经的压迫可导致听觉丧失、耳鸣和不稳定性。
Such unsteadiness , like the swaying of an overcrowded train , caused a minor crush in commodities and emerging markets , two of the most overheated asset classes , early this week .
