You can even check that a certain method or property is available, with a finer granularity than through any instanceof check

你甚至可以检查某个特定的方法或者属性是否可用，比使用instanceof来检查的粒度要小的多

youdao

This additional revenue highlights the growing value of customers both while they are on property, and after they check out.

这些额外的收入说明客户能带来不断增长的价值，不管他们是在入住期间还是退房之后。

youdao

As you can see, you first check which property has changed.

可以看到，首先检查更改了哪个属性。

youdao

Income from sale or disposition of property, check.

FORBES: Taxes From A To Z (2013): M Is For Miscellaneous Income

China's stock market is one of the world's worst performers in 2012, and government controls have kept property prices in check, making corporate bonds one of the few bright spots for Chinese investors.

WSJ: Faith in Bailouts Spurs China

"These intermediaries help buyers and sellers contact each other at a low cost, but do not engage in other estate agent activities, so it is unfair to expect them to go out and check all the property details of all the sellers on their websites, " said the new consumer affairs minister, Jo Swinson.

BBC: Private home sales to be easier, says government