One-and-a-half-year-old granddaughter Kai ling a precious gift presented to him and Mrs. Yu by son number two, has brought more than her share of happiness to her newly-promoted grandparents.
一歲半的孫女愷玲成為次公子送給父母一份大禮，她能帶給現在升格作爺爺奶奶的俞院長伉儷相當樂趣。