Answer:
In this speech
" But if you please To shoot another arrow that self way Which you did shoot the first, I do not doubt, As I will watch the aim, or to find both Or bring your latter hazard back again And thankfully rest debtor for the first. "
The Bassanio is the person who explains that in the time when he was a schoolboy he lost an arrow and he would try to find it by shooting an arrow again and again the same direction.
By doing this experiment he would usually get them both back.
Thus Bassanio uses this example from his childhood to explain to Antonio to give him another chance, another loan.
And that he would use it very carefully so that he gets enough money to pay off all his debts, or at least pay off his latest loan and he will be grateful for the previous loans he had taken.
Explanation:
