1.Guangzhou whampoa under the ship, tons of tracing and seacraft tons to wuzhou, small lijiang ship can reaches liuzhou, nanning.
广州黄埔港以下可通万吨海轮，千吨轮船溯西江可到梧州，小轮船可上达柳州、南宁。
2.Columbus' accomplishment, once accepted, enabled mankind to use the existing skills of seacraft for vastly greater undertakings.
哥伦布的业绩一旦被接受，就使人类能利用现有的航海技术从事更伟大的事业。