Good wine needs no bush. The barbecued pork you sell is so delicious - you don't need to fear that no one appreacites it.
Examples (Wiktionary)
Mandarin
我们的生活虽说不算富裕，可也不愁吃不愁穿的。你瞧，这沙发、电视机什么的，别人家有，我们家也都有啦！
我們的生活雖説不算富裕，可也不愁吃不愁穿的。你瞧，這沙發、電視機什麼的，別人家有，我們家也都有啦！
wǒ men de shēng huó suī shuō bù suàn fù yù ， kě yě bù chóu chī bù chóu chuān de ． nǐ qiáo ， zhè shā fā ， diàn shì jī shén me de ， bié rén jiā yǒu ， wǒ men jiā yě dōu yǒu la ！
Even though one could say that our life is not considered to be affluent, yet we do not have to worry about food or clothing. Just look at things like this sofa and this TV set; other families have these things, and so do we!
Big head, big head, when it rains you're not worried it's said. Others have umbrellas, you have a big head. (A child might use this jingle to make fun of another child with an unusually large head.)