What do you understand by the following statement?
He smiled uncomfortably. "Just plans, sir," he answered in a low voice.
The narrator asked Nicola whether they were saving money for migrating to America to have a better life. On hearing this, Nicola told him that they had som e other plans. When the narrator wanted to know specifically that what plans they had, Nicola tried to evade him simply by saying ‘just plans’ because he did not want to tell narrator that they save money for getting their sister cured off tuberculosis of the spine in the ho spital at Poleta.