Meanwhile, remittances from abroad, self-employment, tourism, foreign investment and the informal economy have lifted the incomes of a large group of Cubans.
同时，海外侨汇、自营商、观光业、外国投资和非正式经济已经提高了大群古巴人的收入。
2
The warning in 2005 was criticised as "self-serving" because Goldman Sachs is one of the largest Wall Street investment Banks trading oil and it could profit from an increase in prices.