1.while stocks last2.subject to availability
not to delay making a decision when a decision is needed
1.to pass in an instant2.over in the twinkling of an eye
plug and play (computing)
wealthy and respectable people
black-or-white (e.g. good or bad, with no middle ground)
1.to touch on sth and leave it there2.to take care not to overdo sth
(computing) platform as a service (PaaS)
What you see is what you get (WYSIWYG)
software as a service (SaaS)
基础设施即服务基礎設施即服務 (computing) infrastructure as a service (IaaS)
呼之即来，挥之即去呼之即來，揮之即去, 1.to come when called (idiom); ready and compliant2.always at sb's beck and call
无事献殷勤，非奸即盗無事獻殷勤，非姦即盜, one who is unaccountably solicitous is hiding evil intentions (idiom)
product approaching its expiry date (Tw)