Know at least two or three languages, so if one dies off, you have another one to fall back on while you train for a new technology.
至少了解两到三种语言，所以，如果某种语言过时了，你在学习新技术的时候还可以依靠另一种语言。
Allowing one customer to dictate my hours was the worst mistake I ever made as when that contract was over I had nothing to fall back on.
让一个客户对我指手画脚是我曾犯过的最大的错误，因为当这份合同结束时我再也没有其他的客户了。
In this way if one crop gets diseased, or one harvest succumbs to drought, or one hillside is flooded, they have alternatives to fall back on.
凭借这种方法，如果作物生了病，或者收成受到干旱的影响，或者遭遇山洪，他们都有替代的方法可供依靠。
Plan to have at least one year's living expenses to fall back on or provided for by a second household income.
计划出至少一年的生活开支，或者要有第二份家庭收入来支付。
The beauty of ActiveRecord-JDBC is that, when configured correctly, it will attempt to use a JNDI data source if it can find one, and fall back on plain old JDBC if it cannot.
ActiveRecord -JDBC的优势在于，在正确配置的情况下，它将尝试使用JNDI数据源(如果能找到)，如果找不到，将退而采用传统JDBC。
No one is better qualified, No one is smarter, more well-rounded. or wounded? I have a trust fund to fall back on, dad.
没有人比你更合格，比你更聪明或更全能，-或更受伤？我没有信托基金可以依靠，爸爸。
No one is better qualified, No one is smarter, more well-rounded. or wounded? I have a trust fund to fall back on, dad.
没有人比你更合格，比你更聪明或更全能，-或更受伤？我没有信托基金可以依靠，爸爸。
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