Every so often the occupant of 7 racecourse road in new delhi declares it to be an indian century .
新德里跑马场路（racecourseroad）7号的历任主人不时宣称，这将是“印度的世纪”。
But every so often our mitochondria and their surrounding cells fight .
但是有时，我们的线粒体和周围的细胞相互抵制。
It prompts her every so often to re-enter the present because for several years she 's been living in the tudor past and in the mind of thomas cromwell .
So every so often a sample is obtained with a coring bit .
因此时常要用芯钻头取样。
Every so often principal arjariita heikkinen told me the helsinki district tries to close the school because the surrounding area has fewer and fewer children only to have people in the community rise up to save it .