Someone asked me recently if I thought this book was dated, since it has been out for several years.
最近,有人问我是否认为这本书已经过时了,因为这本书从出版到现在已经有好几年时间了。
Risk will be lower, since it has been done before, and development time can be shortened by applying the pattern.
这样风险就会降低,因为以前处理过,并且通过应用该模式可以缩短开发时间。
But since it has been largely covered with year-round ice throughout modern history, it is the least mapped ocean.
但是由于在人类现代史上北冰洋大部分地区始终是终年冰雪覆盖,因而它也是各大洋中最疏于勘查的。
It has been one year since President Obama signed the economic recovery bill aimed at pulling the country out of recession.
VOA: special.2010.02.19
And it may well be that no poem has ever been since Paradise Lost published with line numbers in its very first edition.
只有《失乐园》首次印刷的时候把行数印上,之后的诗歌都没被这么出版过。
Who here has been making it since the beginning of the semester on under six hours a night?
谁从本学期开学到现在,每晚睡不到六小时的?
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