博士們，你們去subway nutrition page一看就明了了，sugar is 2.7%

https://www.subway.com/en-GB/MenuNutrition/Menu/Product?ProductId=4974&MenuCategoryId=436
itailan BMT

Nutrition information

Default nutrition values based on pre-selected bread (excluding salads) and protein. Adults need around 2000 kcal a day.

Serving Size (g)

142

Energy (kj)

1597

Energy (kcal)

382

Fat (g)

15

of which saturates (g)

5.4

Carbohydrate (g)

42

of which sugars (g)

3.8

Fibre (g)

2.2

Protein (g)

20

Salt (g)

2.6