N-PLURAL
三十多，三十幾(指 30 至 39 之間的數字)
When you talk about the thirties, you are referring to numbers between 30 and 39. For example, if you are in your thirties, you are aged between 30 and 39. If the temperature is in the thirties, the temperature is between 30 and 39 degrees.
例句
Mozart clearly enjoyed good health throughout his twenties and early thirties.
顯然，莫扎特在二十幾歲到三十剛出頭時，身體非常好。