计策: stratagem...
因此: thus, consequently, as a result...
似曾相识: déjà vu (the experience of seeing exactly the same situation a second time), seemingly familiar, apparently already acquainted...
至此: up until now, so far...
份: classifier for gifts, newspaper, magazine, papers, reports, contracts etc, variant of...
微笑: smile, to smile...
晴朗: sunny and cloudless...
附件: enclosure, attachment (email), appendix...