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
例句:The students in our class add up to 57.
我们班的学生总共有57人。
2. But he says there are problems with governments receiving large amounts of money.
amounts of 大量的
例句:A nuclear reactor generates prodigious amounts of heat.
一座核反应堆能发出巨大的热量。
3. In turn, a country's exports can become more costly and less competitively.
in turn 依次; 轮流地
例句:The nurses take it in turn to do night duty.
护士们轮流上夜班。
4. Economists say that private investors leave when contries are in conflict.
in conflict 有矛盾; 不一致
例句:Are the two roles in conflict?
这两个角色有冲突吗?