------
## 最终结论
```python
def sort_sublists(list_of_lists):
    return [sorted(sublist, key=lambda x: x.strip()) for sublist in list_of_lists]

# Test cases
assert sort_sublists((["green", "orange"], ["black", "white"], ["white", "black", "orange"])) == [['green', 'orange'], ['black', 'white'], ['black', 'orange', 'white']]
assert sort_sublists(([" red ","green" ],["blue "," black"],[" orange","brown"])) == [[' red ', 'green'], [' black', 'blue '], [' orange', 'brown']]
assert sort_sublists((["zilver","gold"], ["magnesium","aluminium"], ["steel", "bronze"])) == [['gold', 'zilver'],['aluminium', 'magnesium'], ['bronze', 'steel']]
```