"70." Some versions say "seventy-two" or "72." You may want to include a footnote that says that. (See: [[rc://en/ta/man/translate/translate-numbers]])
This was before the men actually went out. AT: "This is what he had said to them" or "Before they went out he told them" (See: [[rc://en/ta/man/translate/figs-events]])
"There is a big crop, but not enough workers to bring it in." Jesus means there are many people ready to enter God's kingdom, but there are not enough disciples to go teach and help the people. (See: [[rc://en/ta/man/translate/figs-metaphor]])