The fall is a sign of a slight increase in confidence in Greece's ability to pay back its loans. But analysts said there was still significant uncertainty ahead.

这个跌落也是表明希腊还贷款的信心有了些许增加。但是分析家认为仍有很大的不稳定因素存在。

youdao

However, for the diehards who wish to do physics in spite of a bad job market, you may plan to have a “fall-back” job to pay the bills (e.g. programming) while you conduct research on your own time.

这意味着离开了原来的领域，然而,对于尽管市场不好而仍想做物理学家的一意孤行的顽固分子，我认为你有必要计 划"退一步"的工作-即后路，以支付你做你自己个人研究的帐单（比如兼职从事编程）。

youdao

Having even a small cushion of savings to fall back on allows people to deal with the unexpected, such as suddenly having to pay for medical treatment.

即使是拥有一个小额存款也可备不时之需，比如突然需要支付医疗费用等。

youdao