短文改错 。
如下短文共有10处错误，每句中错误最多有两处。错误涉及一个单词的增加、删除
或修改。按以下要求进行修改：
1）增加：在缺词处加一个漏词符号（∧），并在此符号下面写出该加的词；
2）删词：把多余的词用斜线（\）划掉；
3）修改：在错的词下画一横线，并在该横线下面写出修改后的词。
注意：1、每处错误及修改均仅限一词；
2． 只允许修改10处，多者（从第11处起）不计分。
Do you prefer to travel by plane or by train? To my opinion, there are advantages and disadvantages
traveling both by plane and by train. Travel by plane is time-saving, comfortably, and you can have a
good rest on the trip,but it is too expensive. Unless you travel by train, it is not expensive and quite safety
and you can appreciate the beautiful scenery on both side of the railway. However, it was too crowded
and time-wasting, and we can take a good rest. So you can see every coin has two sides. You'd better
to choose either of them depend on your own interest and economy.
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