The ones that stay inplace are probably by chance, and the ones that stay in the bottom are often trapped there by high fees.
那些保持住地位的很可能是偶然的，而那些一直在底位的往往被高昂的费用困在那里。
2
They grow up like the Athenian does, right smack in the middle of a plain, which is a good place for farming, with a great high acropolis available.
他们像雅典人一样成长，正好坐落在一片平原的正中央，那里是农耕的好地方，有一座高大的卫城。
3
This help is critically important because the high cost of caring for animal victims is a major factor that prevents people from getting involved in cruelty cases in the first place.