1.But those small amounts of money together add up to a lot, consider that there are about 200 million international migrants.
add up to总计达
For a hit show, profits can add up to millions of dollars.
一场热门演出的利润可达数百万美元 。
2.We believe in supporting each other.
believe in信赖;信仰
Don't tell me you still believe in all that stuff?
别告诉我你仍旧相信那些东西 。
3.In turn, a country's exports can become more costly and less competitively.
in turn相应地;转而
Theory is based on practice and in turn serves practice.
理论的基础是实践,反过来理论又为实践服务 。