一個(gè)愉快的心情就像是良藥.不是翻譯中文，是口語回答問題for exampie,if we have a merry heart,we will feel happy.we can forget all our problms.so we can get healthy.可以具體多舉幾個(gè)例子，要講2分鐘左右。像演講的形式那樣，先說什么意思再舉例，寫篇出來，萬分感謝?。?！for exanple .if we have a merry heart,we will feel happy.we can forget all our problms.so we can get healthy.when we keep heaving a merry heart, we can feel more and more happy .we will fell the world get more and more beautiful.the merry heart is also important for our life.we will be happy to work that we can get good grades,so a merry heart does good like a medicine.but a merry heart is muchmore necessary than medicine,becausemedicine can't help us keep healthy.夠不夠？