But sometimes the persons taking the money would be unscrupulous, and there was no legal protection, and from time to time one would hear of cases of deception or fraud. Moreover, it was impossible to estimate how much foreign exchange was flowing out in this way, and it became a troublesome "loophole" for financial authorities.
但有時所託非人，又沒有法律保障，受騙、上當的事時有所聞；而且這種私下流出去的外匯無法估量，也成了金融機關頭痛的「漏洞」。