Upgradability
n. 可升级性；升格能力；提升能力
🗣️ 情景例句
OK, just a second.
好了！请稍等一下。
You are all skilled and successful salesmen as shown by your records in the field.
从你们在这一领域的业绩来看，你们所有人都是训练有素，事业有成的推销员。
the bottle, the box, and the jar are almost always granted them.
结果就是把瓶药、盒药、罐药开给看病的人而完事大吉。