poses造句
His letter
poses a number of puzzling questions.
他的信中提出了许多令人困惑的问题。
This
poses a threat to agriculture and the food chain, and consequently to human health.
这会对农业和食物链造成威胁，由此而危及人的健康。
The high cost of oil
poses serious problems for industry.
昂贵的石油价格给工业造成了严重困难.