understanding, comprehension / appreciation

sentence that starts with 但(ただ)し (tadashi, “however”); proviso

difficult / hard, probably impossible

detailed

details

understand, comprehend / appreciate

to enter into a contract

contract, agreement

reading / (figuratively) understanding of something, speculation about something

to read (look at and interpret written text) / to read (speak aloud written text) / to infer; to speculate / to count