msg := await greet("world");
米兰冬残奥会共设残奥冰球、轮椅冰壶、高山滑雪、单板滑雪、越野滑雪、冬季两项6个大项79个小项。届时将有来自52个国家和地区的600多名运动员参赛。这是中国代表团第七次参加冬季残奥会，将参加全部6个大项中的71个小项比赛。，推荐阅读新收录的资料获取更多信息
1- err: Non bool match condition，这一点在新收录的资料中也有详细论述
The price of chocolate bars has shot up across the world over the past year, meaning they can feel like a luxury - yet West Africa's cocoa farmers have not been reaping the benefit. In fact, many are in a desperate state as they have not been paid for months.