Cucumber, Tomato, and Onion Salad

i LOVE this salad... making it tomorrow for memorial day picnic, in fact. :)

this salad is best if enjoyed the same day you make it, or at most, the next day.

Ingredients:
2 cucumbers, peeled, seeded and thinly sliced (or one long seedless cucumber)
4 Roma tomatoes, halved lengthwise and thinly sliced
½ small red onion, thinly sliced
¼ cup light olive oil
2 Tbsp red wine vinegar
1 tsp salt
1 tsp black pepper
1 tsp white sugar
2 tsp dried oregano

mix all ingredients together in a bowl and let marinate for at least an hour at room temperature.