or so是副词词性。
Your cousin is not so strong or so merry as you are .你的表弟不像你这么健壮，也不像你这么开心。
No pestilence had ever been so fatal， or so hideous .以往的瘟疫从没象这次那么恐怖，那么骇人听闻。
He is forty or so .他大概是四十岁。
There was fifteen years or so difference in age between the two women .这两个女性的年令相差大约十五岁。
Only in the past century or so have pens provided this feature .钢笔具备这个特点，还只有一百年左右的历史。
We felt a little constraint with the new teacher for the first day or so .在开头一两天，我们对新教师感到有点拘束。
A month or so later， nutkin was able to catch sight of the target room .过了一个月左右，纳特金有机会看到目标房间。
I had butterflies in my stomach for an hour or so before i was due to make my speech .在轮到我演讲之前，我忐忑不安大约一小时。
She lived in the little village of eaton， ten miles or so out of grantham .她住在伊顿地区的一个小村庄里，距格兰瑟姆约有十英里。
We arrived at last in delhi， and set out for morbund， a dozen or so miles away .我们终于到了德里，又从那里到了十多里外的摩奔德。
