国际参展代表参展费将优惠至825美元.International delegations will a reduced rate of US $ 825.“美元”用美元符号“$”代表.The dollar is represented by the dollar sign, $.这三项铁路工程计划所需费用约为1,100亿元,代表着我们为未来所作出的投资.These three projects will cost about $ 110...