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Highlights from chinadaily.com.cn

Photo: Participants run at Tsim Sha Tsui as they compete in the Hong Kong Marathon on Sunday. More than 75,000 people took part in the 10-kilometer half-marathon and marathon races in the territory, organizers said.

Bilingual: The secret to a happy marriage is kissing, saying “I love you” 10 times a week and going on three dates a month, a US report has revealed. The detailed study of 1,000 married Americans also found three surprise romantic gestures and 10 deep and meaningful conversations each month are key to a harmonious relationship. Having three shared hobbies and interests and going on two vacations a year are also among the requirements for romantic bliss.

Buzzword: “Expiration dating” refers to starting a relationship that has a defined end date; for example, one of the people is moving soon.