delve into：钻研
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Chapter3 无需证明的爱 Love Needs No Proof
母爱的奇迹 The Miracle of Mother's Love
佚名/Anonymous
With all the energy that only a playful three-year-old can have, Caitlin Hedges clambers over her mum Trish and tugs at her arm for attention. As 37-year-old Trish tickles her, Caitlin collapses in fits of giggles.