408. Undoubtedly, slow food has many advantages over fatit food.
写作中句子开头的变化可以使句子结构更为多样化。该句中的副词undoubtedly修饰整个句子，表示说话人对全句的看法，在意思上相当于it is undoubted that...这样的副词在英语句子中还有很多，比如：obviously（显然地）、interestingly（有趣地）、apparently（显然地）、fortunately（幸运地）、incredibly（难以置信地）、unluckily（不幸地）、surprisingly（令人吃惊地）、frighteningly（令人恐惧地）等等。如：
1)Obviously, she is worried about the test. - It is obvious that she is worried about the test.
2)Unfortunately, Leon missed his train. - It is unfortunate that Leon missed his tram.
Does the opinion of an expert in the field carry more weight than the opinion of someone that is not?
In all, the advantages ofrenting an apartment overweigh the disadvantages.
In fact, the advantages derived from advanced technology are much greater than the problems it entails.
Serious as the problem may be, it almost pales into insignificance compared with the impact produced by environment pollution.