Promises of fast profits attraction the incautious investor .
能很快收得到利润的承诺吸引了心存侥幸的投资者。
Their incautious use can lead to wholly misleading results .
他们轻易的应用将会得到错误的结论。
Because the ecb has had one eye on the exit since the start of the crisis it has earned plaudits from those who think the federal reserve has been incautious .