Что думаешь? Оцени!
Congressional Republicans Push Bills That Would Block Kids Access To Content For Ideological Reasons，更多细节参见新收录的资料
i tried calculating it all and i think it simplifies to something like 2.82 x 10^-8. does that mean the answer is option c?。PDF资料是该领域的重要参考
（三）船舶吨税、引航费和其他港口规费的缴付请求；，这一点在新收录的资料中也有详细论述