冠词的问题
He built ships and sent them to sea to trad with foreign countries. (教科书上的)
这里的sea 前面为什么没有冠词? sea是可数名词, 要么 a sea, 要么 the sea, 或seas ?
参考答案:there's no need to add 'the' or 'a' in this case bacause it is part of everyday language....casual talk only
oversea- overseaS
It also make sense if you say:
He built ships and sent them out to sea to trad with foreign countries